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  • Quantum information  (2,021)
  • General Chemistry  (1,562)
  • Analytical Chemistry and Spectroscopy
  • Cell & Developmental Biology
  • Engineering
  • LUNAR AND PLANETARY EXPLORATION
  • Limnology
  • Seismicity
  • 2015-2019  (2,085)
  • 1940-1944  (2,184)
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  • 1
    Publication Date: 2020-12-07
    Description: This report summarizes the seismicity in Switzerland and surrounding regions in the years 2015 and 2016. In 2015, the Swiss Seismological Service detected and located 735 earthquakes in the region under consideration. With a total of 20 earthquakes of magnitude ML C 2.5, the seismic activity of potentially felt events in 2015 was close to the average of 23 earthquakes over the previous 40 years. Seismic activity was above average in 2016 with 872 located earthquakes of which 31 events had ML C 2.5. The strongest event in the analyzed period was the ML 4.1 Salgesch earthquake, which occurred northeast of Sierre (VS) in October 2016. The event was felt in large parts of Switzerland and had a maximum intensity of V. Derived focal mechanisms and relative hypocenter relocations of aftershocks image a SSE dipping reverse fault, which likely also hosted an ML 3.9 earthquake in 2003. Another remarkable earthquake sequence in the Valais occurred close to Sion with four felt events (ML 2.7–3.2) in 2015/16. We associate this sequence with a system of WNW-ESE striking fault segments north of the Rhoˆne valley. Similarities with a sequence in 2011, which was located about 10 km to the NE, suggest the existence of an en-echelon system of basement faults accommodating dextral slip along the Rhoˆne-Simplon line in this area. Another exceptional earthquake sequence occurred close to Singen (Germany) in November 2016. Relocated hypocenters and focal mechanisms image a SW dipping transtensional fault segment, which is likely associated with a branch of the Hegau-Bodensee Graben. On the western boundary of this graben, micro-earthquakes close to Schlattingen (TG) in 2015/16 are possibly related to a NE dipping branch of the Neuhausen Fault. Other cases of earthquakes felt by the public during 2015/16 include earthquakes in the region of Biel, Vallorcine, Solothurn, and Savognin.
    Description: SwissEnergy (http:// www.energieschweiz.ch) and the Swiss Federal Office of Energy for the financial support of project GEOBEST-CH; Swiss Competence Center for Energy Research—Supply of Electricity (http://www.sccer-soe.ch); Swiss-AlpArray SINERGIA project CRSII2_154434/1 by the Swiss National Science Foundation (SNSF)
    Description: Published
    Description: 221–244
    Description: 2T. Sorgente Sismica
    Description: 1IT. Reti di monitoraggio
    Description: 5IT. Osservatori
    Description: JCR Journal
    Keywords: Seismicity ; Magnitude of completeness ; Focal mechanisms ; Seismotectonics ; Rhone-Simplon line ; Hegau-Bodensee graben ; Basel ; Aar massif ; 04. Solid Earth ; 04.06. Seismology
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 2
    Publication Date: 2021-02-26
    Description: The compilation of reliable and complete seismic catalogs represents a fundamental issue for most studies in seismology. Nowadays, the availability of an ever-increasing number of stations and, therefore, the huge amount of recordings to be processed and analyzed require a lot of effort in terms of man-hours. In the present work, we present a fully automatic procedure for compiling seismic catalogs starting from continuous recordings. The procedure relies on a multistep algorithm that includes event detection tool, automatic P- and S-phase picker, hypocenter locator, and magnitude and strong-motion parameter calculator. This automatic procedure is applied for compiling seismic catalogs for two real-world usage scenarios starting from the openaccess waveform database provided by European Integrated Data Archive. The first scenario concerns the monitoring of the seismicity of northwestern Italy; the second one concerns the analysis of the data recorded during the first month of the 2016 sequence in central Italy. The comparison between reference manually revised and automatic seismic catalogs points out negligible differences in terms of both P- and S-phase pickings, hypocentral coordinates, and local magnitude values, thus showing the overall reliability of the procedure. The ability of the proposed automatic procedure in detecting and locating very low-magnitude events is prominent to compile automatic catalogs characterized by a magnitude of completeness significantly lower than that of reference manual catalogs.
    Description: Published
    Description: 1308-1317
    Description: 8T. Sismologia in tempo reale
    Description: JCR Journal
    Keywords: Seismicity ; Seismic Catalogue ; 04.06. Seismology
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 3
    Publication Date: 2021-03-09
    Description: Ischia is a volcanic island, west of the caldera of Campi Flegrei, southern Italy. Since the deployment of a modern seismic network in 1970, until the 21 August 2017 earthquake, the seismicity of Ischia has been characterized by low-magnitude (Md ≤ 2:3) earthquakes located in the northern part of the island, mostly beneath the town of Casamicciola Terme at very shallow depths (∼500 m). Some of these events seem to have occurred on the same seismogenetic structure in the northern part of the island. This area coincides with that where the devastating events of 1881 and 1883 occurred and where the small-magnitude seismicity recorded between 1927 and 1936 was located. The August 2017 seismic sequence affected the same area. The current network configuration is able to locate shallow events with Md ≥ 1:0 and to detect smaller earthquakes or other types of natural and artificial events (e.g., blast fishing, geothermal well explosions; see The Seismic Network section). Here, we present the catalog of earthquakes recorded on Ischia between 1999 and February 2018 and compare the August 2017 seismic sequence with the background seismicity. Furthermore, we identified a sequence of events possibly linked to the explosion of a geothermal well on the island.
    Description: This work benefited of the project “Sale operative integrate e reti di monitoraggio del futuro: l’INGV 2.0,” Fondo integrativo speciale per la ricerca (FISR) anni 2016 e 2017 (Delibera n. 78/2017). Furthermore, this work benefited of the agreement between Istituto Nazionale di Geofisica e Vulcanologia and Italian Department of Civil Protection (DPC).
    Description: Published
    Description: 1750-1760
    Description: 6V. Pericolosità vulcanica e contributi alla stima del rischio
    Description: JCR Journal
    Keywords: Ischia ; Seismic Network ; Seismicity
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 4
    facet.materialart.
    Unknown
    Springer, Berlin
    In:  SUB Göttingen | 8 Z NAT 2148
    Publication Date: 2021-03-29
    Description: Dieser Band enthält 31 Artikel zu Themengebieten der Geophysik, inklusive einer Ausgabe zur "Internationalen Magnetosphären Studie" und einer Ausgabe "Elektromagnetik", veröffentlicht durch die Deutsche Geophysikalische Gesellschaft in dem Jahr 1984.
    Description: Inhaltsverzeichnis: Journal of Geophysics 55 〈html〉 〈body〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0055/LOG_0011.pdf"〉Seismicity and dynamics of the Upper Rhinegraben〈/a〉〈br〉 (Bonjer, K.-P., Gelbke, C., Gilg, B., Rouland, D., Mayer-Rosa, D., Massinon, B.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0055/LOG_0012.pdf"〉The crustal structure of the southern Rhinegraben from re-interpretation of seismic refraction data〈/a〉〈br〉 (Zuccu, J. J.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0055/LOG_0013.pdf"〉On the identification of a transition zone in electrical conductivity between the lithosphere and asthenosphere: a plea for more precise phase data〈/a〉〈br〉(Cavaliere, T., Jones, A. G.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0055/LOG_0014.pdf"〉The influence of geomagnetic variations on pipelines and an application for large-scale magnetotelluric depth sounding〈/a〉〈br〉 (Brasse, H., Junge, A.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0055/LOG_0015.pdf"〉Some characteristics of the horizontal field variations around the geomagnetic jerk of 1970〈/a〉〈br〉 (Nevanlinna, H.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0055/LOG_0016.pdf"〉Ground-based observations of a very intense substorm-related pulsation event〈/a〉〈br〉 (Lühr, H., Klöcker, N., Thürey, S.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0055/LOG_0018.pdf"〉Dreidimensionale Seismik in der Exploration auf Kohlenwasserstoff-Lagerstätten〈/a〉〈br〉 (Dürschner, H.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0055/LOG_0019.pdf"〉Long-term variations recorded by extensometers〈/a〉〈br〉 (Varga, P.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0055/LOG_0020.pdf"〉Book reviews〈/a〉〈br〉 (Schneider, G., Jentzsch, G., Schick, R.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0055/LOG_0021.pdf"〉Preface to the special issue ”Sixt Workshop on IMS observations in Northern Europe” held in Cumberland Logde, Windsor from 16-20 May 1983〈/a〉〈br〉 (Orr, D., Untiedt, J.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0055/LOG_0022.pdf"〉Magnetospheric hydromagnetic waves: their eigenperiods, amplitudes and phase variations; a tutorial introduction〈/a〉〈br〉(Orr, D.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0055/LOG_0023.pdf"〉ELF intensity levels at geostationary orbit and pulsating aurora〈/a〉〈br〉 (Ward, I. A.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0055/LOG_0024.pdf"〉Ground observations of geomagnetic pulsations during a quiet magnetospheric interval correlated with satellite plasma measurements〈/a〉〈br〉 (Gough, H., Orr, D., Wedeken, U.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0055/LOG_0025.pdf"〉Period, phase and resonant structure of a pulsation event seen by the ISEE 1 and 2 spacecraft on 2–3 April 1978〈/a〉〈br〉(Gardner, M.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0055/LOG_0026.pdf"〉Pc5 pulsations and their possible source mechanisms: a case study〈/a〉〈br〉(Glaßmeier, K., Lester, M., Mier-Jedrzejowicz, W., Green, C., Rostoker, G., Orr, D., Wedeken, U., Junginger, H., Amata, E.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0055/LOG_0027.pdf"〉Ground-satellite coordinated study of the April 5, 1979 events: flux variations of energetic particles and associated magnetic pulsations〈/a〉〈br〉(Wedeken, U., Inhester, B., Korth, A., Glaßmeier, K., Gendrin, R., Lanzerotti, L., Gough, H., Green, C., Amata, E., Pedersen, A., Rostoker, G.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0055/LOG_0028.pdf"〉Ground-satellite coordinated study of the April 5, 1979 events: observation of O〈sup〉+〈/sup〉 cyclotron waves〈/a〉〈br〉(Inhester, B., Wedeken, U., Korth, A., Perraut, S., Stokholm, M.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0055/LOG_0029.pdf"〉Preface to an “electromagnetic issue” initiated by a symposium of IAGA Working Group I-3 on August 23, 1983, during the IUGG General assembly in Hamburg〈/a〉〈br〉(Haak, V.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0055/LOG_0030.pdf"〉Deep electromagnetic studies of the Baltic Shield〈/a〉〈br〉(Hjelt, S.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0055/LOG_0031.pdf"〉Magnetometer array studies in Finland – determination of single station transfer functions〈/a〉〈br〉(Pajunpää, K.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0055/LOG_0032.pdf"〉Models of geoelectrical anomalies in Czechoslovakia〈/a〉〈br〉(Červ, V., Pek, J., Praus, O.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0055/LOG_0033.pdf"〉The electrical conductivity of the Andean crust in northern Chile and southern Bolivia as inferred from magnetotelluric measurements〈/a〉〈br〉(Schwarz, G., Haak, V., Martínez, E., Bannister, J.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0055/LOG_0034.pdf"〉Electrical conductivity of the asthenosphere〈/a〉〈br〉(Vanyan, L.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0055/LOG_0035.pdf"〉A high conductivity anomaly on the West African craton (Mali)〈/a〉〈br〉(Ritz, M.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0055/LOG_0036.pdf"〉Search for a possible electromagnetic coupling between a transatlantic communication cable and the magma chamber in the mid-Atlantic ridge〈/a〉〈br〉(Meloni, A., Gregori, G., Lanzerotti, L., Medford, L.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0055/LOG_0038.pdf"〉A new pulsed audiomagnetotelluric technique〈/a〉〈br〉(Schnegg, P.-A., Fischer, G.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0055/LOG_0039.pdf"〉Preliminary results of MHD test registrations in northern Finland〈/a〉〈br〉(Heikka, J., Zhamaletdinov, A., Hjelt, S., Demidova, T., Velikhov, Y.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0055/LOG_0040.pdf"〉Bimodal induction in non-uniform thin sheets: do the present algorithms work for regional studies?〈/a〉〈br〉(Mareschal, M., Vasseur, G.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0055/LOG_0041.pdf"〉Solution of the stationary approximation for MT fields in the layered Earth with 3D and 2D inhomogeneities〈/a〉〈br〉(Hvoždara, M.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0055/LOG_0042.pdf"〉Analogue-model magnetic field responses of an ocean channel, an island and a seamount in the Hainan Island region〈/a〉〈br〉(Hu, W. B., Dosso, H. W., Nienaber, W.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0055/LOG_0043.pdf"〉Conductivity modellling of the Earth using solar and lunar daily magnetic variations〈/a〉〈br〉(Winch, D. E.)〈/li〉 〈/body〉 〈/html〉
    Description: research
    Description: DGG, DFG, SUB Göttingen
    Keywords: 550 ; Geophysik ; Africa ; Asthenosphere ; Aurora ; Baltic Shield ; China ; Czechoslovakia ; Earth’s Crust ; ELAS project ; Electrojets ; Electromagnetic Induction ; ELF waves ; Exploration Seismics ; Geomagnetic Induction Studies ; Geomagnetic Pulsations ; Geomagnetic Secular Variation ; Geomagnetic Variations ; Hydromagnetic Waves ; Ion Cyclotron Waves ; Magnetometer Arrays ; Magnetospheric Plasma ; Magnetotellurics ; MHD generator ; Pipelines ; Refraction Seismology ; Rhinegraben ; Satellite Observations ; Seismicity ; South America ; Transatlantic Cable ; FID-GEO-DE-7
    Language: German , English
    Type: anthology_digi
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  • 5
    facet.materialart.
    Unknown
    Springer, Berlin
    In:  SUB Göttingen | 8 Z NAT 2148:45
    Publication Date: 2021-03-29
    Description: Dieser Band enthält 44 Artikel zu Themengebieten der Seismologie, Erdmagnetismus und Gesteinsphysik veröffentlicht durch die Deutsche Geophysikalische Gesellschaft in dem Jahr 1978.
    Description: Inhaltsverzeichnis: Journal of Geophysics 45 〈html〉 〈body〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0045/LOG_0010.pdf"〉Magnetotelluric investigation of the lower crust and upper mantle Beneath Iceland〈/a〉〈br〉 (Beblo, M., Björnsson, A.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0045/LOG_0011.pdf"〉Damped and constrained least squares method with application to gravity interpretation〈/a〉〈br〉 (Vigneresse, J. L.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0045/LOG_0012.pdf"〉Reappraisal of palaeomagnetism of the Colli Euganei and Monti Lessini Volcanics (Italy) 〈/a〉〈br〉 (Channell, J. E. T., De Zanche, V., Sedea, R.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0045/LOG_0013.pdf"〉Reinterpretation of palaeomagnetism of the Colli Euganei and Monti Lessini (Italy) 〈/a〉〈br〉 (Soffel, H.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0045/LOG_0014.pdf"〉Observations of the initial develpopment of an auroral and magnetic substorm at magnetic midnight〈/a〉〈br〉 (Untiedt, J., Pellinen, R., Küppers, F., Opgenoorth, H. J., Pelster, W. D., Baumjohann, W., Ranta, H., Kangas, J., Czechowsky, P., Heikkila, W. J.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0045/LOG_0015.pdf"〉Ionospheric observation of gravity-waves associated with hurricane Eloise〈/a〉〈br〉 (Hung, R.J., Kuo, J. P.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0045/LOG_0016.pdf"〉On the annual wave of hemispheric geomagnetic activity〈/a〉〈br〉 (Damaske, D.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0045/LOG_0017.pdf"〉Solar electron fluxes, increased geomagnetic activity and ionospheric absorption following selected flares〈/a〉〈br〉 (Märcz, F.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0045/LOG_0018.pdf"〉The H amplitude of sudden commencements of magnetic storms at Sabhawala (Dehra Dun) 〈/a〉〈br〉 (Jain, A. R., Sastri, N. S.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0045/LOG_0019.pdf"〉Crustal structure of the Reykjanes Ridge at 63° N derived from seismic measurements〈/a〉〈br〉 (Snoek, M., Goldflam, S.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0045/LOG_0020.pdf"〉Book review〈/a〉〈br〉 (Strobach, K.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0045/LOG_0021.pdf"〉Electron density in the South Atlantic anomaly region〈/a〉〈br〉 (Noor Sheikh, M., Rawer, K., Neske, E.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0045/LOG_0023.pdf"〉Inversion of satellite magnetic anomaly data〈/a〉〈br〉 (Mayhew, M. A.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0045/LOG_0026.pdf"〉The effect of earth structure on radial oscillations〈/a〉〈br〉 (Wang, C., Cleary, J. R., Anderssen, R. S.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0045/LOG_0027.pdf"〉Relationship between the seismic quality factor Q and the effective viscosity η〈/a〉〈br〉 (Meissner, R. O., Vetter, U. R.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0045/LOG_0028.pdf"〉The wave field associated with a fine structured moho in continents and oceans〈/a〉〈br〉 (Kosminskaya, I. P., Kapustian, N. K.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0045/LOG_0029.pdf"〉Tidal triggering of earthquakes in the Swabian jura? 〈/a〉〈br〉 (Young, D., Zürn, W.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0045/LOG_0030.pdf"〉Theoretical investigations on acoustic remote sensing of ocean surface waves〈/a〉〈br〉 (Essen, H.-H.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0045/LOG_0031.pdf"〉A comparison of results of geothermal and magnetotelluric investigations in northwestern Germany〈/a〉〈br〉 (Knödel, K., Losecke, W., Wohlenberg, J.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0045/LOG_0032.pdf"〉Effect of the coastline configuration of south Indian and Sri Lanka regions on the induced field at short period〈/a〉〈br〉 (Takeda, M., Maeda, H.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0045/LOG_0034.pdf"〉Correction of graphs concerning the Chapman-Ferraro image method〈/a〉〈br〉 (Burkard, O. M., Rucker, H.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0045/LOG_0036.pdf"〉On the difference between polarisation and coherence〈/a〉〈br〉 (Jones, A. G.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0045/LOG_0037.pdf"〉Palaeosecular variation studies of the Brunhes epoch in the volcanic province of the East-Eifel, Germany〈/a〉〈br〉 (Kohnen, H., Westkämper, H.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0045/LOG_0038.pdf"〉Book review〈/a〉〈br〉 (Vees, R.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0045/LOG_0039.pdf"〉Sixth annual meeting of the European Geophysical Society〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0045/LOG_0040.pdf"〉Partial self-reversal of natural remanent magnetization of an historical lava flow of Mt. Etna (Sicily) 〈/a〉〈br〉 (Heller, F., Markert, H., Schmidbauer, E.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0045/LOG_0044.pdf"〉Palaeomagnetic study of the tertiary volcanics of Sardinia〈/a〉〈br〉 (Edel, J.-B.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0045/LOG_0046.pdf"〉Analysis of an eastward electrojet by means of upward continuation of ground-based magnetometer data〈/a〉〈br〉 (Mersmann, U., Baumjohann, W. Küppers, F., Lange, K.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0045/LOG_0048.pdf"〉Non-linear rheology and return flow in the mantle〈/a〉〈br〉 (Jacoby, W. R., Ranalli, G.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0045/LOG_0051.pdf"〉Crustal and upper mantle structure beneath the Apennines region as inferred from the study of Rayleigh waves〈/a〉〈br〉 (Calcagnile, G., Panza, G. F.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0045/LOG_0053.pdf"〉On the coastal effect on geoelectrical soundings〈/a〉〈br〉 (Mundry, E., Worzyk, P.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0045/LOG_0054.pdf"〉Observations of sPn from Swabian Alb earthquakes at the GRF array〈/a〉〈br〉 (Kind, R.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0045/LOG_0055.pdf"〉Macroseismic intensity map of Austria for the Swabian Alb earthquake of September 3, 1978〈/a〉〈br〉 (Drimmel, J., Fiegweil, E., Lukeschitz, G.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0045/LOG_0056.pdf"〉Das Schwerefeld im Bereich der Nordfriesischen Inseln und des benachbarten Festlands〈/a〉〈br〉 (Plaumann, S.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0045/LOG_0057.pdf"〉Probable relations between seismic anisotropy and a fine structure of the lithosphere〈/a〉〈br〉 (Meissner, R. O., Flüh, E. R.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0045/LOG_0058.pdf"〉Book reviews〈/a〉〈br〉 (Burkhardt, H.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0045/LOG_0059.pdf"〉Reinterpretation of a deep-seismic-sounding profile on the Ukrainian shield〈/a〉〈br〉 (Jentsch, M.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0045/LOG_0062.pdf"〉Extensions of the reflectivity method〈/a〉〈br〉 (Kind, R.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0045/LOG_0063.pdf"〉Ray amplitudes of compressional, shear and converted seismic body waves in 3D laterally inhomogeneous media with curved interfaces〈/a〉〈br〉 (Pšenčík, I.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0045/LOG_0064.pdf"〉Spectral analysis of Pc3 and Pc4 pulsations with regard to the dayside plasmapause position〈/a〉〈br〉 (Palandt, M.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0045/LOG_0065.pdf"〉A theoretical investigation of the dipole- and unipole-resistivity methods for geoelectrical prospecting in Marine areas〈/a〉〈br〉 (Sebulke, J., Hildebrandt, W.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0045/LOG_0066.pdf"〉Paleomagnetism and rock magnetism of the Pliocene Rhyolite at San Vincenzo, Tuscany, Italy〈/a〉〈br〉 (Lowrie, W., Alvarez, W.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0045/LOG_0067.pdf"〉On the presence of titanomagnetite in basalts〈/a〉〈br〉 (Radhakrishnamurty, C., Deutsch, E. R., Murthy, G. S.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0045/LOG_0068.pdf"〉Palaeomagnetism of permo-triassic red sandstones from the northern Calcareous Alps〈/a〉〈br〉 (Soffel, H.)〈/a〉〈/li〉 〈/body〉 〈/html〉
    Description: research
    Description: DGG, DFG, SUB Göttingen
    Keywords: 550 ; Aurora ; Auroral Electrojet ; Austria ; Chapman-Ferraro Model ; Crustal Structure ; Earth Models ; Earthquakes ; Earth's Mantle ; Electrical Conductivity Anomalies ; Electromagnetic Induction ; Explosion Seismology ; Free Oscillation of Earth ; Geoelectrics ; Geomagnetic Activity ; Geomagnetic Pulsations ; Geothermics ; Germany ; Gravity Anomalies ; Hurricanes ; Iceland ; India ; Inverse Problems ; Ionosphere ; Ionosphäre ; Italy ; Lithosphere ; Magnetic Anomalies ; Magnetotellurics ; Moho ; Ocean Surface Waves ; Palaeomagnetism ; Polarisation Analysis ; Plasmapause ; Remote Sensing ; Rock Magnetism ; Seismic Anisotropy ; Seismicity ; Seismic Quality Factor Q ; Seismic Surface Waves ; Theoretical Seismograms ; USSR ; Viscosity of Earth ; FID-GEO-DE-7
    Language: German , English
    Type: anthology_digi
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  • 6
    Publication Date: 2021-05-19
    Description: Aleksey Sergeevich Vinnov (25.05.1958 – 04.06.2019) was a Candidate of Sciences (Engineering), an Associate Professor, a talented lecturer, a rector of the Kerch Maritime Technological Institute (KMTI) in 2000–2005, a Senior Researcher in the FSBSI “Southern Scientific Research Institute of Marine Fisheries and Oceanography” (YugNIRO), and a Deputy Head for Operation and Quality of the Limited Liability Company under the Laws of Russian Federation “Aquamarine”. A.S. Vinnov made a great contribution into the development of education and science in the field of fisheries. Aleksey Sergeevich began his professional life as a Junior Researcher in the Astrakhan Technical Institute of Fishing Industry and Economy and defended his Candidate's Thesis in 1988. He dedicated the major part of his working career to the Kerch State Maritime Technological University, where he had been employed for 21 years, taking positions from a senior lecturer of the Department of Fish Processing Technology, an Associate Professor, the Dean of the Technological Faculty, the vice-rector for academic affairs, to the rector of the University. A.S. Vinnov was known for his rational thinking and professional integrity; he was diplomatic and considerate, and proved to be a competent leader. Vinnov's research works were dedicated to the issues of development of production technology for canned fish and fish protein mass, of kinetics of enzymatic hydrolysis, and many other subjects. A.S. Vinnov was honored with several badges of distinction due to his high professional expertise and personal contribution to the development of fisheries field, particularly education.
    Description: Алексей Сергеевич Виннов (25.05.1958 – 04.06.2019 гг.) — кандидат технических наук, доцент, талантливый преподаватель, ректор Керченского морского технологического института с 2000 по 2005 г. (КМТИ), старший научный сотрудник ФГБНУ «Южный научно-исследовательский институт рыбного хозяйства и океанографии» (ЮгНИРО), заместитель директора по производству и качеству ООО «Аквамарин». А.С. Виннов внес огромный вклад в развитие образования и науки рыбной отрасли. Свою трудовую деятельность Алексей Сергеевич начал в должности младшего научного сотрудника Астраханского технического института рыбной промышленности и хозяйства, успешно защитив в 1988 г. кандидатскую диссертацию. Большую часть своей трудовой деятельности он посвятил Керченскому государственному морскому технологическому университету, проработав здесь 21 год в должностях от старшего преподавателя кафедры технологии рыбных продуктов, доцента, декана технологического факультета, проректора по учебной работе до ректора университета. А.С. Виннов обладал рациональным мышлением, был очень грамотным, тактичным человеком, умелым руководителем. Научная деятельность Алексея Сергеевича была посвящена изучению вопросов усовершенствования технологии рыбных консервов, рыбных белковых масс, кинетики ферментативного гидролиза, а также многим другим. За личный вклад в развитие образования и рыбной отрасли, за высокий профессионализм А.С. Виннов был удостоен ряда почетных знаков отличия.
    Description: Published
    Keywords: Researchers ; Engineering ; Fish processing ; Canned food ; Rector ; Proteins ; Hydrolysis
    Repository Name: AquaDocs
    Type: Journal Contribution , Refereed
    Format: pp.91-95
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  • 7
    Publication Date: 2020-11-30
    Description: This study gives an interpretation of the current tectonics and kinematics of the Adria Plate, a region mostly coinciding with Italy and its surroundings. We have examined the spatial distribution and kinematics of seismicity by using an updated dataset obtained integrating the available catalogues of earthquakes and focal mechanisms. Moreover, to highlight the distribution of seismicity and of the asso- ciated strain patterns, we have elaborated a seismic flux map of the Italian region, which is a map of the energy released per unit time and per unit area. Seismic flux represents the energy released and provides a synthetic and continuous view of areas with greater seismicity and associated strain patterns with respect to the plot of earthquakes only. The seismic data, and the results of some elaborations car- ried out using these datasets have been compared with the present-day state of stress and slip rates of the major active faults of some sectors of Italy, as well as with the horizontal kinematics highlighted by GPS observations. The distribution and kinematics of earthquakes and active faults, the seismic flux, and GPS velocities, suggest that the Adria Plate is currently behaving as an ensemble of independent blocks rather than as a unique rigid plate. The Adria Plate can be thus subdivided into three major blocks and a number of smaller blocks moving independently under the action of a first-order mechanism related to the ongoing, roughly N-S, Europe-Africa convergence vector. This complicated setting may promote the occurrence of mutual relationships between blocks, and generate peculiar local kinematics causing seis- mic activity. We infer that the great majority of the seismic events occur at the boundaries of the main or minor blocks, and therefore the alignments of seismicity allows the individuation of the different blocks and the main seismogenic belts. A major crustal structure subdivides the Adria Plate into a western and two eastern blocks, and approximately coincides with the axial zone of the Apennines along which most of the seismicity is concentrated.
    Description: Published
    Description: 121-138
    Description: 1T. Deformazione crostale attiva
    Description: 1IT. Reti di monitoraggio
    Description: 4IT. Banche dati
    Description: JCR Journal
    Keywords: Adria plate ; Apennines ; Active tectonics ; Seismicity ; Seismic flux ; GPS ; 04.06. Seismology ; 04.03. Geodesy ; 04.07. Tectonophysics
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 8
    Publication Date: 2019-01-18
    Description: The availability of a large amount of surface geological data and subsurface information gathered by the oil industry, together with seismic and geodetic data, allowed us to define and analyse the active structures in the Val d'Agri area of the southern Apennines. Taking into account that the study of interseismic deformation can be significant to identify locked fault areas that can potentially slip, in this study we present 2D elastoplastic finite-element models to reproduce interseismic characteristics of the study area. This hosts the largest Europe's onshore oil field and is characterised by an active extensional tectonic regime, as inferred from earthquake focal mechanisms and fault slip data from late Quaternary structures. Based on high-quality seismic profiles tied with deep well logs, we constructed a detailed geological section across the study area. Outcropping units are dissected by numerous brittle structures that formed at various stages during the tectonic evolution of the Apennines, while the deep ones are dominated by deeply rooted major faults. The rheological behaviour has been constrained by the reconstruction of the thermal structure of the fold and thrust belt, using available information from the foreland Apulian Platform and from temperature data from a series of wells. Starting from the geological model, we reproduced interseismic deformation by means of finite-element numerical modelling, varying boundary conditions and unlocking different fault segments. Our numerical models provide new insights into the controversial and widely debated active tectonic setting of the Val d'Agri area, confirming the major role played by structural inheritance and reactivation processes. In fact, recent low-magnitude seismicity tends to illuminate fault segments consisting of pre-existing reverse faults reactivated as normal faults in the present-day stress field. These long-lived, mature fault systems occurring in the buried Apulian Platform carbonates (and underlying basement) represent major brittle structures that cumulated displacements of up to a few kilometres over geologic time. As a result of their reactivation within the late Quaternary extensional stress field, these long-lived crustal structures are capable of nucleating also moderate- to large-magnitude earthquakes. The decoupling between deep and shallow structural levels, and the different inherited structures affecting them, explain the apparent contrast between the subdued surface expression of active fault systems and the known occurrence of large magnitude seismic events in the study area, thus reconciling apparently contrasting geological and geophysical constraints.
    Description: Published
    Description: 111-114
    Description: 1T. Deformazione crostale attiva
    Description: N/A or not JCR
    Keywords: Active tectonics ; Fault reactivation ; Stress field ; Seismicity ; Extensional tectonics ; Seismology ; Tectonophysics
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 9
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    Springer, Berlin
    In:  SUB Göttingen | 8 Z NAT 2148
    Publication Date: 2021-03-29
    Description: Dieser Band enthält 35 Artikel zu Themengebieten der Geophysik, veröffentlicht durch die Deutsche Geophysikalische Gesellschaft in dem Jahr 1979.
    Description: Inhaltsverzeichnis: Journal of Geophysics 46 〈html〉 〈body〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0046/LOG_0008.pdf"〉Wave Propagation in Stratifield Anisotropic Media〈/a〉〈br〉 (Bossy, L.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0046/LOG_0009.pdf"〉Radio Pulse Dispersion in the Ionosphere〈/a〉〈br〉 (Paul, A. K.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0046/LOG_0010.pdf"〉Ionospheric Absorption and Profiles of Electron Density and Loss-Rate in the Lower Ionosphere〈/a〉〈br〉 (Kotadia, K. M., Gupta, A.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0046/LOG_0011.pdf"〉Effective Energy Reception of the Electron Gas per Created Ion Electron Pair〈/a〉〈br〉 (Bilitza, D.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0046/LOG_0012.pdf"〉Empirical Model of Global Electron Temperature Distribution Between 300 and 700 km Based on Data From Aeros-A〈/a〉〈br〉 (Spenner, K., Plugge, R.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0046/LOG_0013.pdf"〉Intercomparison Between Aeros Electron Temperature Model and Mean Temperature Profiles of Different Incoherent Scatter Radar Stations〈/a〉〈br〉 (Spenner, K., Bilitza, D., Plugge, R.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0046/LOG_0014.pdf"〉Simultaneous Smoothed Variations of Signal Amplitude and Mean Doppler Shift in 42 MHz Auroral Backscatter〈/a〉〈br〉 (Haldoupis, C. I., Sofko, G. J.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0046/LOG_0015.pdf"〉Overnight Statiscal Variation of the North-South Movements of Radio Auroral Irregularities〈/a〉〈br〉 (Haldoupis, C. I., Sofko, G. J.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0046/LOG_0016.pdf"〉Q of Mode 〈sub〉O〈/sub〉S〈sub〉O〈/sub〉〈/a〉〈br〉 (Knopoff, L., Zürn, W., Rydelek, P. A., Yogi, T.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0046/LOG_0017.pdf"〉Finite Element Convection Models: Comparison of Shallow and Deep Mantle Convection, and Temperatures in the Mantle 〈/a〉〈br〉 (Kopitzke, U.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0046/LOG_0018.pdf"〉Detection Probabilities for Weak Regional Seismic Events〈/a〉〈br〉 (Shapira, A., Kulhánek, O., Wahlström, R.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0046/LOG_0019.pdf"〉Accuracy of Ray Theoretical Seismograms〈/a〉〈br〉 (Červený, V.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0046/LOG_0020.pdf"〉Auroral Particle Fluxes in the Ionosphere〈/a〉〈br〉 (Wilhelm, K.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0046/LOG_0021.pdf"〉The Shape of the Cosmic Ray Modulation Region of the April 30, 1976, Event, as Deduced from HELIOS-1, HELIOS-2, IMP-8, and Neutron Monitor Data〈/a〉〈br〉 (Geranios, A.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0046/LOG_0022.pdf"〉Magnetic Rotational Hysteresis Loss in Titanomagnetites and Titanomaghemites – Application to Non-Destructive Mineral Identification in Basalts〈/a〉〈br〉 (Manson, A. J., O’Donovan, J. B., O’Reilly, W.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0046/LOG_0023.pdf"〉The Geomagnetic Field and Its Secular Variation on Finland and Nearby Countries〈/a〉〈br〉 (Nevanlinna, H.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0046/LOG_0024.pdf"〉Age and Crustal Structure of the Canary Islands〈/a〉〈br〉 (Schmincke, H.-U.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0046/LOG_0025.pdf"〉Rinneite-Dating of Episodic Events on Potash Salt Deposits〈/a〉〈br〉 (Lippolt, H. J., Raczek, I.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0046/LOG_0026.pdf"〉Magnetic ULF-Waves in the Vicinity of Active Auroral Forms〈/a〉〈br〉 (Klöcker, N., Theile, B.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0046/LOG_0027.pdf"〉Bursts of Irregular Magnetic Pulsations During the Substorm〈/a〉〈br〉 (Kangas, J., Pikkarainen, T., Golikov, Y., Baransky, L., Troitskaya, V., Sterlikova, V.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0046/LOG_0028.pdf"〉Cosmic Noise Absorption Events and Magnetic Pulsation Activity During Substorms〈/a〉〈br〉 (Wedeken, U., Hillebrand, O., Krenzien, E., Ranta, A., Ranta, H., Voelker, H.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0046/LOG_0029.pdf"〉On the Sources of the 12-Month Wave in the An and As Geomagnetic Activity Indices〈/a〉〈br〉 (Mayaud, P. N.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0046/LOG_0030.pdf"〉Calculation of the Effect of the Oceans on Geomagnetic Variations With an Application to the Sq Field During the IGY〈/a〉〈br〉 (Hobbs, B. A., Dawes, G. J. K.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0046/LOG_0031.pdf"〉Localized Source Effects on Magnetotelluric Apparent Resistivities〈/a〉〈br〉 (Quon, C., Vozoff, K., Hoversten, M., Morrison, H. F., Lee, K.-H.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0046/LOG_0032.pdf"〉Long-Wavelength Magnetic Anomalies as a Source of Information About Deep Crustal Structure〈/a〉〈br〉 (Krutikhovskaya, Z., Pashkevich, I.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0046/LOG_0033.pdf"〉Palaeomagnetism and the Early Magmatic History of Fuerteventura (Canary Islands)〈/a〉〈br〉 (Storetvedt, K. M., Mongstad Våge, H., Aase, S., Løvlie, R.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0046/LOG_0034.pdf"〉Ray Theoretical Seismograms for Laterally Inhomogeneous Structures〈/a〉〈br〉 (Červený, V.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0046/LOG_0035.pdf"〉Macroseismic Field of the Earthquake of September 3, 1978, in the Swabian Jura〈/a〉〈br〉 (Procházková, D., Schneider, G., Schmedes, E., Drimmel, J., Fiegweil, E., Lukeschitz, G., Vogt, J., Courtot, P., Godefroy, P., Grünthal, G., Mayer-Rosa, D., Berger, R.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0046/LOG_0036.pdf"〉Approximate Diffraction Theory for Transparent Half-Planes with Application to Seismic-Wave Diffraction at Coal Seams〈/a〉〈br〉 (Fertig, J., Müller, G.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0046/LOG_0037.pdf"〉Seismic Investigations of the Subcrustal Lithosphere Beneath Fennoscandia〈/a〉〈br〉 (Cassell, B. R., Fuchs, K.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0046/LOG_0038.pdf"〉Northern Part of the Tonga Region: A Complicated Subduction Closure〈/a〉〈br〉 (Hanuš, V., Vaněk, J.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0046/LOG_0039.pdf"〉Palaeomagnetic and Rockmagnetic Properties of the Permian Volcanics in the Western Southern Alps〈/a〉〈br〉 (Heiniger, C.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0046/LOG_0040.pdf"〉Palaeomagnetism of Upper Cretaceous Limestones from the Münster Basin, Germany〈/a〉〈br〉 (Heller, F., Channell, J. E. T.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0046/LOG_0041.pdf"〉A Two-Dimensional Magnetometer Array for Ground-Based Observations of Auroral Zone Electric Currents During the International Magnetospheric Study (IMS)〈/a〉〈br〉 (Küppers, F., Untiedt, J., Baumjohann, W., Lange, K., Jones, A. G.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0046/LOG_0042.pdf"〉Estimation of the Dispersion of Compressional Waves in Rocks From Ultrasonic to Seismic Frequencies〈/a〉〈br〉 (Ramananantoandro, R.)〈/li〉 〈/body〉 〈/html〉
    Description: research
    Description: DFG, SUB Göttingen
    Keywords: 550 ; Geophysik ; AEROS Satellite ; Alps ; Auroral Zone Phenomena ; Canary Islands ; Coal Prospection ; Cosmic Rays ; Cretaceous ; Crust of Earth ; Electromagnetic Induction ; Electromagnetic Wave Propagation ; Explosion Seismology ; Fennoscandia ; Free Oscillations ; Geochronology ; Geomagnetic Activity ; Geomagnetic Field ; Geomagnetic Pulsations ; Ionosphere ; Lithosphere ; Magnetotellurics ; Mantle of Earth ; Palaeomagnetism ; Rock Magnetism ; Salt Rocks ; Secular Variation ; Seismic Quality Factor Q ; Seismic Waves ; Seismicity ; Sq Variation ; Subduction Zones ; Theoretical Seismograms ; ULF Waves ; FID-GEO-DE-7
    Language: English
    Type: anthology_digi
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  • 10
    facet.materialart.
    Unknown
    Springer, Berlin
    In:  SUB Göttingen | 8 Z NAT 2148
    Publication Date: 2021-03-29
    Description: Dieser Band enthält 34 Artikel zu Themengebieten der Geophysik, veröffentlicht durch die Deutsche Geophysikalische Gesellschaft in dem Jahr 1980.
    Description: Inhaltsverzeichnis: Journal of Geophysics 47 〈html〉 〈body〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0047/LOG_0011.pdf"〉Iceland: Evolution, Active Tectonics, and Structure. A Preface〈/a〉〈br〉 (Jacoby, W. R., Björnsson, A., Möller, D.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0047/LOG_0012.pdf"〉Tectonic Framework, Evolution. A Continuum Model of Crustal Generation in Iceland; Kinematic Aspects〈/a〉〈br〉 (Pálmason, G.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0047/LOG_0013.pdf"〉Hawaiian Rifts and Recent Icelandic Volcanism: Expressions of Plume Generated Radial Stress Fields〈/a〉〈br〉 (Wyss, M.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0047/LOG_0014.pdf"〉Observations of the Morphology and Structure of the Sea Floor South and West of Iceland〈/a〉〈br〉 (Johnson, G. L., Pálmason, G.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0047/LOG_0015.pdf"〉Stratigraphy and Paleomagnetism of the Esja, Eyrarfjall and Akrafjall Mountains, SW-Iceland〈/a〉〈br〉 (Kristjansson, L., Fridleifsson, I. B., Watkins, N. D.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0047/LOG_0016.pdf"〉Magnetic Anomalies (〈i〉ΔZ〈/i〉) in NE-Iceland and Their Interpretation Based on Rock-Magnetic Investigations〈/a〉〈br〉 (Becker, H.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0047/LOG_0017.pdf"〉Palaeointensity Measurement on Postglacial Lavas From Iceland〈/a〉〈br〉 (Schweitzer, Ch., Soffel, H. C.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0047/LOG_0018.pdf"〉On the Evolution of the Reykjanes Ridge South of 60° N Between 40 and 12 Million Years Before Present〈/a〉〈br〉 (Voppel, D., Rudloff, R.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0047/LOG_0019.pdf"〉Morphology and Magnetic Anomalies North of Iceland〈/a〉〈br〉 (Vogt, P. R., Johnson, G. L., Kristjansson, L.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0047/LOG_0020.pdf"〉Morphology of the Reykjanes Ridge Crest Near 62°N〈/a〉〈br〉 (Jacoby, W. R.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0047/LOG_0021.pdf"〉New Heat Flow Observations on the Reykjanes Ridge〈/a〉〈br〉 (Bram, K.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0047/LOG_0022.pdf"〉Gravity and a Model of the Median Valley〈/a〉〈br〉 (Collette, B. J., Verhoef, J., de Mulder, A. F. J.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0047/LOG_0023.pdf"〉Deformation, Stress, Seismicity. Statistical Analysis of Damaging Earthquakes and Volcanic Eruptions in Iceland From 1550–1978〈/a〉〈br〉 (Gudmundsson, G., Saemundsson, K.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0047/LOG_0024.pdf"〉Geodetic Measurements and Horizontal Crustal Movements in the Rift Zone of NE-Iceland〈/a〉〈br〉 (Möller, D., Ritter, B.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0047/LOG_0025.pdf"〉Results of Height Measurements in Northern Iceland 1965/1977〈/a〉〈br〉 (Spickernagel, H.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0047/LOG_0026.pdf"〉Gravity and Height Variations During the Present Rifting Episode in Northern Iceland〈/a〉〈br〉 (Torge, W., Kanngieser, E.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0047/LOG_0027.pdf"〉Gravity and Elevation Changes Caused by Magma Movement Beneath the Krafla Caldera, Northeast Iceland〈/a〉〈br〉 (Johnson, G. V., Björnsson, A., Sigurdsson, S.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0047/LOG_0028.pdf"〉Subsidence Events in the Krafla Area, North Iceland, 1975–1979〈/a〉〈br〉 (Tryggvason, E.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0047/LOG_0029.pdf"〉Surface Deformation of the Krafla Fissure Swarm in Two Rifting Events〈/a〉〈br〉 (Sigurdsson, O.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0047/LOG_0030.pdf"〉Seismological Evidence for Lateral Magma Intrusion During the July 1978 Deflation of the Krafla Volcano in NE-Iceland〈/a〉〈br〉 (Einarsson, P., Brandsdóttir, B.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0047/LOG_0031.pdf"〉Measurement of Distance and Tilt Changes in Fissures of Northern Iceland〈/a〉〈br〉 (Pelzer, H., Gerstenecker, C.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0047/LOG_0032.pdf"〉Recent Earthquakes in the Hengill-Hellisheidi Area in SW-Iceland〈/a〉〈br〉 (Foulger, G., Einarsson, P.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0047/LOG_0033.pdf"〉Rock Stress in an Icelandic Thermal Area, With Implications on Stresses in the Oceanic Lithosphere〈/a〉〈br〉 (Voight, B., Simon, R., Thorsteinsson, T., Pálmason, G., Taylor, C., Seret Opzoomer-Talma, S. H., Haimson, B. C.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0047/LOG_0034.pdf"〉Crustal and Upper Mantle Structure. A Model of Electrical Resistivity Beneath NE-Iceland, Correlation with Temperature〈/a〉〈br〉 (Beblo, M., Björnsson, A.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0047/LOG_0035.pdf"〉A Seismic Study of the Rift Zone in Northern Iceland〈/a〉〈br〉 (Zverev, S. M., Litvinenko, I. V., Pálmason, G., Yaroshevskaya, G. A., Osokin, N. N., Akhmetjev, M. A.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0047/LOG_0036.pdf"〉A Seismic Crustal Study of the Axial Rift Zone in Southwest Iceland〈/a〉〈br〉 (Zverev, S. M., Litvinenko, I. V., Pálmason, G., Yaroshevskaya, G. A., Osokin, N. N.)〈/li〉 〈li〉〈a href=" https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0047/LOG_0037.pdf"〉Seismic Structure of the Icelandic Crust Above Layer Three and the Relation Between Body Wave Velocity and the Alteration of the Basaltic Crust〈/a〉〈br〉 (Flóvenz, Ó. G.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0047/LOG_0038.pdf"〉Crustal Structure of the Iceland-Faeroe Ridge〈/a〉〈br〉 (Bott, M. H. P., Gunnarsson, K.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0047/LOG_0039.pdf"〉Reykjanes Ridge Iceland Seismic Experiment (RRISP 77)〈/a〉〈br〉 (Angenheister, G., Gebrande, H., Miller, H., Goldflam, P., Weigel, W., Jacoby, W. R., Pálmason, G., Björnsson, S., Einarsson, P., Pavlenkova, N. I., Zverev, S. M., Litvinenko, I. V., Loncarevic, B., Solomon, S. C.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0047/LOG_0040.pdf"〉Seismic Structure of Iceland Along RRISP-Profile I〈/a〉〈br〉 (Gebrande, H., Miller, H., Einarsson, P.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0047/LOG_0041.pdf"〉Seismic Structure Along RRISP – Profile I on the Southeast Flank of the Reykjanes Ridge〈/a〉〈br〉 (Goldflam, P., Weigel, W., Loncarevic, B. D.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0047/LOG_0042.pdf"〉Crustal Development of the Reykjanes Ridge From Seismic Refraction〈/a〉〈br〉 (Bunch, A. W. H.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0047/LOG_0043.pdf"〉Reykjanes Ridge Crest Studied by Surface Waves With an Earthquake-Pair Technique〈/a〉〈br〉 (Keen, C. E., Fricker, A., Keen, M. J., Blinn, L.)〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0047/LOG_0044.pdf"〉The Evolution of the Lithosphere at the Southeast Flank of Reykjanes Ridge From Surface Wave Data〈/a〉〈br〉 (Jacoby, W. R., Girardin, N.)〈/li〉 〈/body〉 〈/html〉
    Description: research
    Description: DFG, SUB Göttingen
    Keywords: 550 ; Geophysik ; Asthenosphere ; Crust and Upper Mantle ; Deformation ; Dynamic Models ; Earthquake Statistics ; Evolution of Crust and Lithosphere ; Geodetic Measurements ; Geothermics ; Gravity ; Heat Flow, Geothermics ; History of Geophysics ; lsostasy ; Lithosphere ; Magma Movement ; Magnetic Anomalies ; Magnetotellurics ; Paleomagnetism ; Plate Tectonics ; Plume Hypothesis ; Ridge Model ; Ridge Structure ; Ridge Topography ; Rifting and Volcanism ; Rock Magnetism ; Seafloor Spreading ; Seafloor Morphology ; Seismic Anisotropy ; Seismicity ; Seismic Reflection ; Seismic Refraction ; Stress, Strain ; Surface Waves ; Temperature ; Velocity-Density Systematics ; Viscosity ; FID-GEO-DE-7
    Language: English
    Type: anthology_digi
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  • 11
    Publication Date: 2021-05-19
    Description: Aquaculture activity is restricted mainly to rainbow trout in cold waters and carps in warm waters in inland waters of Iran as well as Fars Province. Probably for this reason saline waters of south and southeast Fars have not been used for aquaculture. These rivers are ecosystems with a diverse biota, it is predictable that can be found some there endemic aquatic organisms with a potential for aquaculture. Finding a suitable organism can help increase wise use of this natural resource, and local production and recruitment. However, it is highly needed to investigate various environmental elements prior to any use to obtain an estimation of the environmental consequences, parallel to finding usage potentials. In This study, we investigated Dehram saline river in south of Fars Province. Hydrological and physiographical properties, chemical composition of the river, and aquatic populations were sampled and measured monthly in 3 stations in one year. Salinity, electrical conductivity, and total dissolved solids increased from station 1 to 3, reaching from 6.6 g/L, 14.3 g/L, and 12800 µs/cm to 13.5 g/L, 17.7 g/L, and 16500 µs/cm, respectively. Dissolved oxygen and oxygen saturation were higher in station 3, and in autumn and winter. Nitrite showed lowest values in winter (0.006 mg/L) and highest values in spring (0.013 mg/L). Nitrate showed the lowest concentration in station 3 (0.43 mg/L), but no differences were seen among seasons. Ammonium showed no differences among stations or seasons. Phosphate levels in station 1 and 3 were 0.13 mg/L‌to 0.17 mg/L, with the highest level (0.29 mg/L) seen in the spring. Five species of fishes were identified in the river, which all were widely favored by local people. Some of these have been categorized as edible in previous studies, others as ornamental. On the other hand, intensive growth of an algal species throughout the river demonstrates a potential for algal cultivation. Significant role of algae in production of food for both man and livestock is now well recognized in aquaculture industry.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Ecology ; Dehram River ; Limnology ; Saline water ; Physico-chemical parameters ; Aquaculture
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 62pp.
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  • 12
    Publication Date: 2021-05-19
    Description: Limnological factors of brackish water pounds of the rainbow trout, Onchorhynchus mykiss were studied at Bafgh region in Yazd province. Physicochemical factors, phytoplankton, zooplankton and benthic populations of pools, supply and drainage channels from different farms were studied in aquaculture cycle in 2002 and 2003. Means were compared using Tukey HSD and t tests. Meanings of factors in 2002 and 2003 were respectively: and 9.3 0.2ppt; dissolved oxygen 7.9 0.2mg/l water temperature 13.8 0.3°c and 14.9 0.6°c; salinity 12.3 0.2ppt and 7.2 0.1mg/l; pH between 7.8 to 9.2 and 8.1 to 9.5; depth of hyalinity 0.85 0.1m and 1.1 0.1m; ammonium 0.1-0.5mg/l; and nitrate 1.8-21mg/l. Main phytoplankton were diatoms specially Chaetoceros, and Cyanophyta. Rotifera were the dominant zooplankton. Benthic fauna mainly included immature Chironomids. Final mean lengths were between 24.7cm to 31.5cm, mean weights between 11179.9gr to 434.6gr. FCR between 1.16 to 1.6; DGR between 1.04gr/day to 3.03gr/day; production 0.03kg/m2 to 0.84 kg/m2. Supply channels had the optimum limnological condition for trout aquaculture. Limnological factors were often not significantly different between pools and drainage channels. Saeeid and Rangin-Kaman farms were the most successful farms.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Limnology ; Brackish water ; Onchorhynchus mykiss ; Rainbow trout ; Phytoplankton ; Zooplankton ; Chaetoceros ; Survey ; Pond culture
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 175pp.
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  • 13
    Publication Date: 2021-05-19
    Description: Gahar-roud is in 18 kilometer far from Doroud city from East of lorestan province . This river orginated from internal part of Oshteran-kouh mountain altitude and Gahar-Lake . Survey on Gahar roud Limnology began from the end of 2001 year and during the 18 month achived, at first on the length of 20 kilometer five station of sampling was selected and biological, physical and chemical character of this river was surveyed this river in all path of it feeding with large and small spring, little rivers and water of icehouse. The amount water of this river is different and maximum water is about 21 m/s in April month. Specifity of this river is be enough the temperature of water for fish. Minimum in the Jan is about 3 centigrad deegree and maximum is July and Aug about 24 centigrade deegree phis between 6.5-8.2 and is few basic . solauble oxigen is enough and is between 8.5-13 mg/lit.during the year.This river is very bright and haven t the source of polution and during the path of river and be enaugh the dosage of mineral in water are the important physical and chemical character of this river. Gahar-roud is not biological hardness quality. About 31 genus and species from 5 family of phytoplangton and 42 genus from 26 family from the order of insects, molusca, worms and crustacea and 9 species from 12 family from the side aquatic. Plants was collected and recognized. Based on ecological potential of this region, because Gahar- roud river is poor for food material and classified in oligotroph river and hasn t high biological value. And also have a few population and in fact haven t any population and based on the safer system belong to the quatiy elass of oligotroph and amount of water, regular circulation of water with microclima condition rate of natural resource land around river, having program for culture of cold water fish is important but it is better that use from culture of fish, be regulated key word limnology, Gahar-roud, river plangton, bentoz, fish.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Limnology ; Fish ; Bentos ; Plankton
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 84pp.
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  • 14
    Publication Date: 2021-05-19
    Description: Dorudzan reservoir is the main provider of drinking water for the capital Shiraz, as well as the most significant storage of water in the Kor river course. In addition of eroded material, a load of agricultural outputs from upstream are moved to the lake every year. Main physiographic, physical and chemical, and biological components of the lake were monthly sampled and analysed from Novembr 2010 to October 2011. Mean annual measures were water temperature 16.7 ˚C (SD=5.8), pH 8.2 (SD=0.3), dissolved oxygen 7.6 mg/l (SD=1.7), ammonium 0.05 mg/l (SD=0.08), nitrite 0.004 mg/l (SD=0.003), nitrate 0.44 mg/l (SD=0.44), phosphate 0.20 mg/l (SD=0.23), silicate 7.00 mg/l (SD=2.49), BOD 2.29 mg/l (SD=1.00), COD 24.49 mg/l (SD=15.47), electrical conductivity 720 µs/cm (SD=219), total dissolved solids 457.67 mg/l (SD=138.72), calcium hardness 61.30 mg/l (SD=13.45), and magnesium hardness 20.23 mg/l (SD=9.18). Living parts of the ecosystem including species of fish, orders and families of benthic invertebrates, zooplanktons, and phytoplanktons were investigated. Benthic macroinvertebrates included various nematodes, oligochates, gastropods, bivalves, and insect larvae (dipteral and coleptera), most abundant of which were dipteran larvae, mollusks, and nematodes. Dominant zooplankton was Bosmina, with Daphnia and Cyclops in next ranks. Among rotifer, Trichocera was more abundant than Lecanae. Bosmina showed the most abundance in summer and Daphnia in spring. Trichocera had its most abundance in summer as well, while Lecanae was more abundant in Automn and winter. A total of 41 algal genera from 8 divisions were found. Dominant phytoplankton division was Chlorophyta, with genus Pediastrum. Dominant microalga was Dynobrion (Chrysophyta) in Spring, Cylindrospermum and (both Cyanophyta) in Summer, Microsystis in Automn, and Ceratium (Dynophyta) in Winter. Ceratium were found in all seasons in most of the sampling sites, and showed highest abundance compared to other genera of its division. Dominant genus of diatoms was Fragilaria. Fish populations include Alburnus mossulensis, Capoeta aculeate, Capoeta damascina, Carasobarbus luteus, Carassius gibelio, Cyprinus carpio, and Hypophthalmichthys molitrix. Main different parts of the lake showed quite different composition of fish species. An epidemic occurance of the crustacean ectoparasite Lernea cyprinacea among most fishes was another important finding. These findings will serve as a base for future studies as a set point of drought situations.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Limnology ; Reservoir ; Plankton ; Fish ; Alburnus mossulensis ; Capoeta aculeate ; Capoeta damascina ; Carasobarbus luteus ; Carassius gibelio ; Cyprinus carpio ; Hypophthalmichthys molitrix
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 72pp.
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  • 15
    Publication Date: 2021-05-19
    Description: Abbarik River is an important river in Kerman. Study of limnology of Abbarik River for aquatics & culture was started from Mehr 1381 to Day 1382. Base of this study was physical- chemical and Biological factors. In this research 3 stations was appointed. PH- oxygen- salinity- Ca- Mg- Na- K- Cl and was majored and bentetic- fish was recognized. This study was achievement in 4 season and twice in month. Bentosis recognize was Ephemeroptera- Diptera- Anisoptera- Cleoptera Trichoptera Fishes recognize was Capoeta damascina- Nemachilus sargadensis- Cyprinion watsoni.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Physical ; Chemical ; Biological ; Limnology ; Bentosis fish ; Aquatic ; Culture ; PH ; Salinity ; Oxygen ; Ephemeroptera ; Diptera ; Anisoptera ; Cleoptera Trichoptera ; Capoeta damascina ; Nemachilus sargadensis ; Cyprinion watsoni
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 44pp.
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  • 16
    Publication Date: 2021-05-19
    Description: The shiroud river is one of the important riveres in point of view of fisheries matter which located in western part of Mazndran provience. The project of Limnological study have done in this river during June/ 2002 - Jun / 2003 for more and better underestanding situations, of biological and nonbiological parameters like as phytoplankton, zooplonkton, benthoses, Ichthyology, physico - chemical and pesticides of water. - Physico- chemical paramaters by ASTM methods and spectrophotometer and pestisides by US-EPA- method and GC- ECD determined. The procedures of detemination of zooplanklon and phytoplankton by manuals of Newell, 1970 and Sorina, 1974 idantify and determined respectinely. In Ichthyology, by manual procedure Berg, 1949 identifind. The sampeling have been in four stations during four seasons and result as follow: - The maximum and minimum amount of pH were in station 5 (spring) and Station no. 4 (summer) 8.19 and 7.75 respectively. - The maximum and minimum temperature of water were in station no. 8 (summer) and stations no. 2 (winter) 27.7 c and 7.7c respectively. The fluctuatcions of nutroients datas of this study and other studies done during last 5 years showed, there were not big diffrence between them but also these datas were very close to each other. - The maximum residues of pesticides for heptachlor Epoxide (Winter ) and Lindane (spring) betweenresidues of sixteen pesticdes were 79.4 and 3.7 ppb respectively. - The maximum and minimum amount of phytoplankton biomass belong to chrysophyta during four seasons were 2572 through 1081 mg/m3. - The percentage of zooplankton belong to Rotatoria , Protozoa , Copepoda , Cladocera and Zoobenthos were in 41 , 31 , 12 , 4 and 12 percent recpectively. - The maximum aboundant percentage of bentheic animals belong to Diptera with 42 percent and were dominate whole sampeling stations . - The abundence of fishes in this river belong to two species of C. capoeta gracilis and Al. bipunctatus were catched in four seasons at eight stations . The percentages of C. capoeta gracilis species were catched in four seasons at eight stations during winter, summer , spring and fall with 96 ,81 , 73 and 67 percent respectively. The percentages of Al. bipunctatus species were catched in four seasons at eight stations during winter, summer , spring and fall with 47 , 44 , 43 and 40 percent respectively.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Pesticdes residues ; Phytoplankton ; Zooplankton ; Riverine fishes ; Nutrients ; Limnology ; ASTM ; Rotatoria ; Protozoa ; Copepoda ; Cladocera ; Zoobenthos
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 127pp.
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  • 17
    Publication Date: 2021-05-19
    Description: Наряду с исследованиями по определению сырьевой базы Азово-Черноморского бассейна, при создании института АзЧерНИРО в 1933 г. была сразу организована научно-исследовательская лаборатория техники лова рыбы. За все время функционирования этого подразделения такие специалисты, как С.С. Виннов, О.И. Саковец, С.Я. Наместников, Е.Е. Шапунов, В.М. Кириллов, В.Г. Герасимов, В.С. Долбиш, Н.Г. Думин, В.Г. Васильев, А.А. Яковлев, Е.С. Деньгин, В.И. Абакаров, В.Н. Миронов, В.В. Стрельцов, А.С. Вайнерман, В.К. Яшкин, Ю.В. Шишов, А.М. Стафикопуло в течение многих лет вносили огромный вклад в развитие рыболовства в Азово-Черноморском бассейне и Мировом океане. До 1950 г. траловый промысел в Черном море отсутствовал, хотя были известны попытки внедрить этот вид лова в черноморское рыболовство. Так, в начале 1909 г. в северо-западной части Черного моря работал траулер «Федя». К концу 1911 г. количество траулеров, которые работали в данном регионе моря, увеличилось до 9 судов. Уловы состояли на 98-99 % из осетровых и на 1-2 % из камбалы. Ввиду очень большого вылова молоди осетровых рыб траловый промысел вскоре был запрещен. В 1932 г. из Мурманска для выяснения эффективности тралового лова в Черном море был послан рыболовный траулер «Абрек». Почти у всего черноморского побережья пробовали ловить отечественным промысловым тралом, применяемым в Баренцевом море для добычи трески. При этом отмечалось, что уловы камбалы были очень низкими. Очевидно, одной из причин была неприспособленность самой конструкции трала для лова этого вида рыб. В конце 1933 г. траулер вернулся в Мурманск. В 1949 г. Черноморская научно-промысловая экспедиция возобновила работы по освоению тралового лова в Черном море. Перед экспедицией стояла задача всесторонне изучить ихтиофауну моря и выяснить возможности применения ряда поисковых орудий лова, в том числе донного трала. С этой целью было разработано и испытано несколько типов донных тралов. С конца 1949 г. были начаты исследования по разработке конструкции разноглубинного трала для Черного моря. К тому времени инженерами М.К. Кокоревым, В.Ф. Шушпановым и А.Н. Потехиным была разработана специальная подъемно-распорная система. В соответствии с ее техническими данными в дальнейшем проектировались сетные части трала. Первый проект опытного рыболовного разноглубинного морского трала разрабатывался для лова мелких черноморских пелагических рыб в толще воды, на глубинах от 0 до 100 м, с одного судна. Большой вклад в развитие тралового промысла в Черном море внес А.Н. Самарянов.
    Description: Published
    Keywords: Engineering ; Fishing gear ; Fishing fleet ; Fishing vessels ; Trawlers ; Anchovy fisheries ; Sprat fisheries ; Purse fishing ; Commercial species ; Mullets
    Repository Name: AquaDocs
    Type: Conference Material , Non Refereed
    Format: pp.247-254
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  • 18
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    Woods Hole Oceanographic Institution
    Publication Date: 2022-05-26
    Description: This is a report describing activities associated with the Matamek program in 1977. Research was conducted on biological, chemical and physical factors related to salmonid production in Matamek River and Matamek Lake. Canadian universities, the Quebec government and Woods Hole Oceanographic Institution cooperated in the program.
    Description: Supported by Woods Hole Oceanographic Institution and the Department of Tourism, Fish and Game of the Province of Quebec.
    Keywords: Ecology ; Limnology
    Repository Name: Woods Hole Open Access Server
    Type: Technical Report
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  • 19
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    American Physical Society (APS)
    Publication Date: 2018-07-26
    Description: Author(s): Evert van Nieuwenburg and Oded Zilberberg Entanglement plays an important role in our ability to understand, simulate, and harness quantum many-body phenomena. In this work, we investigate the entanglement spectrum for open one-dimensional (1D) systems and propose a natural quantifier for how much a 1D quantum state is entangled while being... [Phys. Rev. A 98, 012327] Published Wed Jul 25, 2018
    Keywords: Quantum information
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  • 20
    Publication Date: 2018-07-27
    Description: Author(s): Fabio Costa, Martin Ringbauer, Michael E. Goggin, Andrew G. White, and Alessandro Fedrizzi Measurements on a single quantum system at different times reveal rich nonclassical correlations similar to those observed in spatially separated multipartite systems. Here we introduce a theory framework that unifies the description of temporal, spatial, and spatiotemporal resources for quantum cor... [Phys. Rev. A 98, 012328] Published Thu Jul 26, 2018
    Keywords: Quantum information
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  • 21
    Publication Date: 2018-07-31
    Description: Author(s): Guilherme M. A. Almeida An arbitrary qubit can be transmitted through a spin chain by perturbatively coupling both communicating parties to it. These so-called weak-coupling models rely on effective Rabi oscillations between the outer spins, yielding nearly maximum fidelity while offering great resilience against disorder ... [Phys. Rev. A 98, 012334] Published Mon Jul 30, 2018
    Keywords: Quantum information
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  • 22
    Publication Date: 2018-07-25
    Description: Author(s): Y. Zhiyenbayev, V. M. Akulin, and A. Mandilara Given a set of quantum gates and a target unitary operation, the most elementary task of quantum compiling is the identification of a sequence of the gates that approximates the target unitary to a determined precision ɛ . The Solovay-Kitaev theorem provides an elegant solution which is based on the ... [Phys. Rev. A 98, 012325] Published Tue Jul 24, 2018
    Keywords: Quantum information
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  • 23
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    American Physical Society (APS)
    Publication Date: 2018-08-04
    Description: Author(s): Saronath Halder It is known that there exist sets of pure orthogonal product states which cannot be perfectly distinguished by local operations and classical communication (LOCC). Such sets are nonlocal sets which exhibit nonlocality without entanglement. These nonlocal sets can be completable or uncompletable. In ... [Phys. Rev. A 98, 022303] Published Fri Aug 03, 2018
    Keywords: Quantum information
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  • 24
    Publication Date: 2018-08-07
    Description: Author(s): Connor T. Hann, Salvatore S. Elder, Christopher S. Wang, Kevin Chou, Robert J. Schoelkopf, and Liang Jiang High-fidelity qubit measurements play a crucial role in quantum computation, communication, and metrology. In recent experiments, it has been shown that readout fidelity can be improved by performing repeated quantum nondemolition (QND) readouts of a qubit's state through an ancilla. For a qubit enc... [Phys. Rev. A 98, 022305] Published Mon Aug 06, 2018
    Keywords: Quantum information
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  • 25
    Publication Date: 2018-08-07
    Description: Author(s): Sunho Kim, Longsuo Li, Asutosh Kumar, and Junde Wu Both coherence and entanglement stem from the superposition principle, capture quantumness of a physical system, and play a central role in quantum physics. In a multipartite quantum system, coherence and quantum correlations are closely connected. In particular, it has been established that quantum... [Phys. Rev. A 98, 022306] Published Mon Aug 06, 2018
    Keywords: Quantum information
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  • 26
    Publication Date: 2018-06-05
    Description: Author(s): Zacharie M. Léger, Aharon Brodutch, and Amr S. Helmy The faithful distribution of entanglement in continuous-variable systems is essential to many quantum information protocols. As such, entanglement distillation and enhancement schemes are a cornerstone of many applications. The photon subtraction scheme offers enhancement with a relatively simple se... [Phys. Rev. A 97, 062303] Published Mon Jun 04, 2018
    Keywords: Quantum information
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  • 27
    Publication Date: 2018-06-06
    Description: Author(s): Michael Lubasch, Antonio A. Valido, Jelmer J. Renema, W. Steven Kolthammer, Dieter Jaksch, M. S. Kim, Ian Walmsley, and Raúl García-Patrón The current shift in the quantum optics community towards experiments with many modes and photons necessitates new classical simulation techniques that efficiently encode many-body quantum correlations and go beyond the usual phase-space formulation. To address this pressing demand we formulate line... [Phys. Rev. A 97, 062304] Published Tue Jun 05, 2018
    Keywords: Quantum information
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  • 28
    Publication Date: 2018-06-06
    Description: Author(s): Mark M. Wilde In the literature on the continuous-variable bosonic teleportation protocol due to Braunstein and Kimble [ Phys. Rev. Lett. 80 , 869 (1998) ], it is often loosely stated that this protocol converges to a perfect teleportation of an input state in the limit of ideal squeezing and ideal detection, but th... [Phys. Rev. A 97, 062305] Published Tue Jun 05, 2018
    Keywords: Quantum information
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  • 29
    Publication Date: 2018-06-06
    Description: Author(s): Libor Caha, Zeph Landau, and Daniel Nagaj We present a collection of results about the clock in Feynman's computer construction and Kitaev's local Hamiltonian problem. First, by analyzing the spectra of quantum walks on a line with varying end-point terms, we find a better lower bound on the gap of the Feynman Hamiltonian, which translates ... [Phys. Rev. A 97, 062306] Published Tue Jun 05, 2018
    Keywords: Quantum information
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  • 30
    Publication Date: 2018-06-06
    Description: Author(s): Jérémy Ribeiro, Le Phuc Thinh, Jędrzej Kaniewski, Jonas Helsen, and Stephanie Wehner Quantum communication has demonstrated its usefulness for quantum cryptography far beyond quantum key distribution. One domain is two-party cryptography, whose goal is to allow two parties who may not trust each other to solve joint tasks. Another interesting application is position-based cryptograp... [Phys. Rev. A 97, 062307] Published Tue Jun 05, 2018
    Keywords: Quantum information
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  • 31
    Publication Date: 2018-06-16
    Description: Author(s): Lin-Chun Wan, Chao-Hua Yu, Shi-Jie Pan, Fei Gao, Qiao-Yan Wen, and Su-Juan Qin Solving the Toeplitz systems, which involves finding the vector x such that T n x = b given an n × n Toeplitz matrix T n and a vector b , has a variety of applications in mathematics and engineering. In this paper, we present a quantum algorithm for solving the linear equations of Toeplitz matrices, in whic... [Phys. Rev. A 97, 062322] Published Fri Jun 15, 2018
    Keywords: Quantum information
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  • 32
    Publication Date: 2018-06-16
    Description: Author(s): Titas Chanda, Tamoghna Das, Debasis Sadhukhan, Amit Kumar Pal, Aditi Sen(De), and Ujjwal Sen We show that bipartite entanglement in an one-dimensional quantum spin model undergoing time evolution due to local Markovian environments can be frozen over time. We demonstrate this by using a number of paradigmatic quantum spin models including the anisotropic X Y model in the presence of a unifor... [Phys. Rev. A 97, 062324] Published Fri Jun 15, 2018
    Keywords: Quantum information
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  • 33
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    American Physical Society (APS)
    Publication Date: 2018-06-20
    Description: Author(s): J. Sperling and I. A. Walmsley We introduce a general method for the construction of quasiprobability representations for arbitrary notions of quantum coherence. Our technique yields a non-negative probability distribution for the decomposition of any classical state. Conversely, quantum phenomena are certified in terms of signed... [Phys. Rev. A 97, 062327] Published Tue Jun 19, 2018
    Keywords: Quantum information
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  • 34
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    American Physical Society (APS)
    Publication Date: 2018-06-28
    Description: Author(s): Nikolaos K. Kollas A closed expression is derived for the amount of resource present in a quantum state as quantified by a distance measure based on the Tsallis relative entropy introduced recently [H. Zhao and C.-s. Yu, Sci. Rep. 8 , 299 (2018) ], for any resource theory whose set of free states is described by the ima... [Phys. Rev. A 97, 062344] Published Wed Jun 27, 2018
    Keywords: Quantum information
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  • 35
    Publication Date: 2018-11-27
    Description: Author(s): N. M. Linke, S. Johri, C. Figgatt, K. A. Landsman, A. Y. Matsuura, and C. Monroe The efficient simulation of correlated quantum systems is a promising near-term application of quantum computers. Here, we present a measurement of the second Rényi entropy of the ground state of the two-site Fermi-Hubbard model on a five-qubit programmable quantum computer based on trapped ions. Ou... [Phys. Rev. A 98, 052334] Published Mon Nov 26, 2018
    Keywords: Quantum information
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  • 36
    Publication Date: 2018-11-27
    Description: Author(s): Utkarsh Mishra, Hadi Cheraghi, Saeed Mahdavifar, R. Jafari, and Alireza Akbari We employ the mean-field approach in the fermionic picture of the spin- 1 2 X X Z chain to investigate the dynamics of bipartite quantum discord and concurrence under sudden quenching. In this case, when quenching is performed in the anisotropy from an initial value to the critical point, the quantum co... [Phys. Rev. A 98, 052338] Published Mon Nov 26, 2018
    Keywords: Quantum information
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  • 37
    Publication Date: 2018-11-27
    Description: Author(s): Devin Vega and Mingzhen Tian The atomic frequency comb (AFC) is a promising approach for quantum memory, yet creating an ideal AFC only in the ground-state population remains a challenge. We studied an imperfect AFC initially created in the population inversion between the excited and ground states and redistributed due to popu... [Phys. Rev. A 98, 052340] Published Mon Nov 26, 2018
    Keywords: Quantum information
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  • 38
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    American Physical Society (APS)
    Publication Date: 2018-11-28
    Description: Author(s): Yu-Bo Sheng and Lan Zhou Blind quantum computation (BQC) is a type of quantum computation model. For a client (Alice) who does not have enough sophisticated technology and knowledge to perform universal quantum computation, BQC allows her to resort to a remote quantum computation server (Bob) to delegate universal quantum c... [Phys. Rev. A 98, 052343] Published Tue Nov 27, 2018
    Keywords: Quantum information
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  • 39
    Publication Date: 2018-11-28
    Description: Author(s): Bai-Chu Yu, Zhih-Ahn Jia, Yu-Chun Wu, and Guang-Can Guo Adopting the geometric description of steering assemblages and the local-hidden-state (LHS) model, we construct the optimal LHS model for some two-qubit states under continuous projective measurements and obtain a sufficient steering criterion for all two-qubit states. Using the criterion, we show m... [Phys. Rev. A 98, 052345] Published Tue Nov 27, 2018
    Keywords: Quantum information
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  • 40
    Publication Date: 2018-11-28
    Description: Author(s): Yuan Zhou, Bo Li, Xiao-Xiao Li, Fu-Li Li, and Peng-Bo Li We propose an efficient method to generate multiparticle entangled states of nitrogen-vacancy (NV) centers in a spin-mechanical system, where the spins interact through a collective coupling of the Lipkin-Meshkov-Glick (LMG) type. We show that through adiabatic transitions in the ground state of the... [Phys. Rev. A 98, 052346] Published Tue Nov 27, 2018
    Keywords: Quantum information
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  • 41
    Publication Date: 2018-11-28
    Description: Author(s): Marco Cattaneo, Matteo A. C. Rossi, Matteo G. A. Paris, and Sabrina Maniscalco We address quantum spatial search on graphs and its implementation by continuous-time quantum walks in the presence of dynamical noise. In particular, we focus on search on the complete graph and on the star graph of order N , also proving that noiseless spatial search shows optimal quantum speedup i... [Phys. Rev. A 98, 052347] Published Tue Nov 27, 2018
    Keywords: Quantum information
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  • 42
    Publication Date: 2018-11-28
    Description: Author(s): Chenxu Liu, M. V. Gurudev Dutt, and David Pekker The implementation of a high-fidelity two-qubit quantum logic gate remains an outstanding challenge for isolated solid-state qubits such as nitrogen-vacancy (NV) centers in diamond. In this work, we show that by driving pairs of NV centers to undergo photon scattering processes that flip their qubit... [Phys. Rev. A 98, 052342] Published Tue Nov 27, 2018
    Keywords: Quantum information
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  • 43
    Publication Date: 2018-11-30
    Description: Author(s): Mao-Sheng Li and Yan-Ling Wang We can only perform finite rounds of measurements in protocols with local operations and classical communication (LOCC). In this paper, we propose a set of product states that require infinite rounds of measurements in order to distinguish this given set of states perfectly by LOCC. Therefore, we ca... [Phys. Rev. A 98, 052352] Published Thu Nov 29, 2018
    Keywords: Quantum information
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  • 44
    Publication Date: 2018-12-05
    Description: Author(s): Mikołaj Czechlewski, Debashis Saha, Armin Tavakoli, and Marcin Pawłowski Device-independent dimension witnesses (DWs) are a remarkable way to test the dimension of a quantum system in a prepare-and-measure scenario imposing minimal assumptions on the internal features of the devices. However, as the dimension increases, the major obstacle in the realization of DWs arises... [Phys. Rev. A 98, 062305] Published Tue Dec 04, 2018
    Keywords: Quantum information
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  • 45
    Publication Date: 2018-12-07
    Description: Author(s): Tan Li, Wan-Su Bao, He-Liang Huang, Feng-Guang Li, Xiang-Qun Fu, Shuo Zhang, Chu Guo, Yu-Tao Du, Xiang Wang, and Jie Lin Grover's algorithm achieves a quadratic speedup over classical algorithms, but it is considered necessary to know the value of λ exactly [ Phys. Rev. Lett. 95 , 150501 (2005) ; Phys. Rev. Lett. 113 , 210501 (2014) ], where λ is the fraction of target items in the database. In this paper, we find out that... [Phys. Rev. A 98, 062308] Published Thu Dec 06, 2018
    Keywords: Quantum information
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  • 46
    Publication Date: 2018-12-07
    Description: Author(s): A. Ramezanpour The standard quantum annealing algorithm tries to approach the ground state of a classical system by slowly decreasing the hopping rates of a quantum random walk in the configuration space of the problem, where the on-site energies are provided by the classical energy function. In a quantum reinforc... [Phys. Rev. A 98, 062309] Published Thu Dec 06, 2018
    Keywords: Quantum information
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  • 47
    Publication Date: 2018-12-11
    Description: Author(s): Joshua Combes and Daniel J. Brod The self-Kerr interaction is an optical nonlinearity that produces a phase shift proportional to the square of the number of photons in the field. At present, many proposals use nonlinearities to generate photon-photon interactions. For propagating fields these interactions result in undesirable fea... [Phys. Rev. A 98, 062313] Published Mon Dec 10, 2018
    Keywords: Quantum information
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  • 48
    Publication Date: 2018-12-11
    Description: Author(s): L. Chakhmakhchyan and N. J. Cerf Linear canonical transformations of bosonic modes correspond to Gaussian unitaries, which comprise passive linear-optical transformations as effected by a multiport passive interferometer and active Bogoliubov transformations as effected by a nonlinear amplification medium. As a consequence of the B... [Phys. Rev. A 98, 062314] Published Mon Dec 10, 2018
    Keywords: Quantum information
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  • 49
    Publication Date: 2018-12-12
    Description: Author(s): Zichen Yang, Ze-Yang Fan, Liang-Zhu Mu, and Heng Fan We investigate the optimal quantum state reconstruction from the cloud to many spatially separated users by a measure-broadcast-prepare scheme without the availability of the quantum channel. The quantum state equally distributed from the cloud to an arbitrary number of users is generated at each po... [Phys. Rev. A 98, 062315] Published Tue Dec 11, 2018
    Keywords: Quantum information
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  • 50
    Publication Date: 2018-12-15
    Description: Author(s): J. J. W. H. Sørensen, M. Dalgaard, A. H. Kiilerich, K. Mølmer, and J. F. Sherson We introduce an efficient iterative method to prepare a target state in Hilbert spaces with high dimensionality using a combination of unitary evolution, measurements, and quantum Zeno dynamics. The latter confines the evolution within Zeno subspaces of decreasing size. This gives an exponential spe... [Phys. Rev. A 98, 062317] Published Fri Dec 14, 2018
    Keywords: Quantum information
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  • 51
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    American Physical Society (APS)
    Publication Date: 2018-07-26
    Description: Author(s): Youngrong Lim and Soojoon Lee Quantum channels with no quantum capacity can be activated by specific kinds of channels. This activation effect might be useful to overcome noise of channels by attaching other channels, which can enhance the capacity of a given channel. We show that such an activation is possible by specific posit... [Phys. Rev. A 98, 012326] Published Wed Jul 25, 2018
    Keywords: Quantum information
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  • 52
    Publication Date: 2018-08-01
    Description: Author(s): Mohammad Hossein Zarei and Afshin Montakhab The correspondence between classical spin models and quantum states has attracted much attention in recent years. However, it remains an open problem as to which specific spin model a given (well-known) quantum state maps. Here, we provide such an explicit correspondence for an important class of qu... [Phys. Rev. A 98, 012337] Published Tue Jul 31, 2018
    Keywords: Quantum information
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  • 53
    Publication Date: 2018-08-01
    Description: Author(s): Thomas G. Wong, Konstantin Wünscher, Joshua Lockhart, and Simone Severini Kronecker graphs, obtained by repeatedly performing the Kronecker product of the adjacency matrix of an “initiator” graph with itself, have risen in popularity in network science due to their ability to generate complex networks with real-world properties. We explore spatial search by continuous-tim... [Phys. Rev. A 98, 012338] Published Tue Jul 31, 2018
    Keywords: Quantum information
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  • 54
    Publication Date: 2018-08-01
    Description: Author(s): L. Pereira, L. Zambrano, J. Cortés-Vega, S. Niklitschek, and A. Delgado Standard quantum tomography of a single qudit achieves an infidelity that scales in the worst case as O ( 1 / N ) for a sample of size N . Here, we propose a suitable generalization of the two-stage adaptive quantum tomography for a qubit to the case of a single qudit. This achieves an infidelity of the o... [Phys. Rev. A 98, 012339] Published Tue Jul 31, 2018
    Keywords: Quantum information
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  • 55
    Publication Date: 2018-08-11
    Description: Author(s): Jiangwei Shang, Ali Asadian, Huangjun Zhu, and Otfried Gühne The challenges of entanglement detection lead to the development of several entanglement measures and criteria. Here a special type of measurement is used to attest entanglement in a stronger way, i.e. it catches forms that are missed by other criteria and is effective in a single-shot fashion. [Phys. Rev. A 98, 022309] Published Fri Aug 10, 2018
    Keywords: Quantum information
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  • 56
    Publication Date: 2018-08-14
    Description: Author(s): Chithrabhanu Perumangatt, Tang Zong Sheng, and Alexander Ling Entanglement distillation is the process of concentrating entanglement from a given quantum state. We present a technique for distillation of bipartite polarization entanglement using interferometry. This technique can be optimized to extract maximal entanglement from any pure or mixed entangled sta... [Phys. Rev. A 98, 022313] Published Mon Aug 13, 2018
    Keywords: Quantum information
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  • 57
    Publication Date: 2018-08-17
    Description: Author(s): Muzzamal I. Shaukat, Eduardo V. Castro, and Hugo Terças We study the finite time entanglement dynamics between two dark-soliton qubits due to quantum fluctuations in quasi-one-dimensional Bose-Einstein condensates. Recently, dark solitons are proved to be an appealing platform for qubits due to their appreciably long lifetime. We explore the entanglement... [Phys. Rev. A 98, 022319] Published Thu Aug 16, 2018
    Keywords: Quantum information
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  • 58
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    American Association for the Advancement of Science (AAAS)
    In: Science
    Publication Date: 2018-08-17
    Keywords: Engineering
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Geosciences , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 59
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    American Association for the Advancement of Science (AAAS)
    In: Science
    Publication Date: 2018-08-17
    Description: Polyamide thickness and roughness have been identified as critical properties that affect thin-film composite membrane performance for reverse osmosis. Conventional formation methodologies lack the ability to control these properties independently with high resolution or precision. An additive approach is presented that uses electrospraying to deposit monomers directly onto a substrate, where they react to form polyamide. The small droplet size coupled with low monomer concentrations result in polyamide films that are smoother and thinner than conventional polyamides, while the additive nature of the approach allows for control of thickness and roughness. Polyamide films are formed with a thickness that is controllable down to 4-nanometer increments and a roughness as low as 2 nanometers while still exhibiting good permselectivity relative to a commercial benchmarking membrane.
    Keywords: Engineering
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  • 60
    Publication Date: 2018-08-18
    Description: Author(s): Wen-Chao Qiang, Guo-Hua Sun, Qian Dong, and Shi-Hai Dong We apply genuine multipartite entanglement concurrence to investigate entanglement properties of Dirac fields in noninertial frames. We present analytical concurrences for bipartite and tripartite entanglements simultaneously, which enriches previous results. We note that the entanglement of the Gre... [Phys. Rev. A 98, 022320] Published Fri Aug 17, 2018
    Keywords: Quantum information
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  • 61
    Publication Date: 2018-08-21
    Description: Author(s): Panagiotis Kl. Barkoutsos, Jerome F. Gonthier, Igor Sokolov, Nikolaj Moll, Gian Salis, Andreas Fuhrer, Marc Ganzhorn, Daniel J. Egger, Matthias Troyer, Antonio Mezzacapo, Stefan Filipp, and Ivano Tavernelli In this work we investigate methods to improve the efficiency and scalability of quantum algorithms for quantum chemistry applications. We propose a transformation of the electronic structure Hamiltonian in the second quantization framework into the particle-hole picture, which offers a better start... [Phys. Rev. A 98, 022322] Published Mon Aug 20, 2018
    Keywords: Quantum information
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  • 62
    Publication Date: 2018-08-22
    Description: Author(s): Tahereh Abad and Klaus Mølmer Laser excitation pulses that lead to perfect adiabatic state transfer in an ensemble of three-level ladder atoms lead to highly entangled states of many atoms if their highest excited state is subject to Rydberg blockade. Solution of the Schrödinger equation shows that it is increasingly difficult t... [Phys. Rev. A 98, 022324] Published Tue Aug 21, 2018
    Keywords: Quantum information
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  • 63
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    American Physical Society (APS)
    Publication Date: 2018-08-30
    Description: Author(s): Hideyuki Miyahara and Yuki Sughiyama Variational Bayes (VB) inference is one of the most important algorithms in machine learning and is widely used in engineering and industry. However, VB is known to suffer from the problem of local optima. In this paper, we generalize VB by using quantum mechanics and propose an algorithm, which we ... [Phys. Rev. A 98, 022330] Published Wed Aug 29, 2018
    Keywords: Quantum information
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  • 64
    Publication Date: 2018-09-05
    Description: Author(s): Amandeep Singh, Harpreet Singh, Kavita Dorai, and Arvind We undertake experimental detection of the entanglement present in arbitrary three-qubit pure quantum states on an NMR quantum information processor. Measurements of only four observables suffice to experimentally differentiate between the six classes of states which are inequivalent under stochasti... [Phys. Rev. A 98, 032301] Published Tue Sep 04, 2018
    Keywords: Quantum information
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  • 65
    Publication Date: 2018-09-05
    Description: Author(s): Eyal Cornfeld, Moshe Goldstein, and Eran Sela In the presence of symmetry, entanglement measures of quantum many-body states can be decomposed into contributions from distinct symmetry sectors. Here we investigate the decomposability of negativity, a measure of entanglement between two parts of a generally open system in a mixed state. While th... [Phys. Rev. A 98, 032302] Published Tue Sep 04, 2018
    Keywords: Quantum information
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  • 66
    Publication Date: 2018-09-05
    Description: Author(s): Xiao-Long Hu, Zong-Wen Yu, and Xiang-Bin Wang We present an efficient decoy-state protocol measurement-device-independent quantum key distribution without vacuum source, with the heralded single-photon source (HSPS) and global optimization. This protocol is able to give a high key rate and avoid the security problem caused by the vacuum source ... [Phys. Rev. A 98, 032303] Published Tue Sep 04, 2018
    Keywords: Quantum information
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  • 67
    Publication Date: 2018-09-07
    Description: Author(s): S. L. Su, H. Z. Shen, Erjun Liang, and Shou Zhang Although the three-body Rydberg antiblockade regime (RABR) can produce Rabi oscillation between the Rydberg collective excited state and the collective ground state, it is still hard to use the RABR to construct the three-qubit quantum logic gate in one step since the effective Hamiltonian is always... [Phys. Rev. A 98, 032306] Published Thu Sep 06, 2018
    Keywords: Quantum information
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  • 68
    Publication Date: 2018-09-07
    Description: Zeolitic imidazolate framework (ZIF) membranes are emerging as a promising energy-efficient separation technology. However, their reliable and scalable manufacturing remains a challenge. We demonstrate the fabrication of ZIF nanocomposite membranes by means of an all-vapor-phase processing method based on atomic layer deposition (ALD) of ZnO in a porous support followed by ligand-vapor treatment. After ALD, the obtained nanocomposite exhibits low flux and is not selective, whereas after ligand-vapor (2-methylimidazole) treatment, it is partially transformed to ZIF and shows stable performance with high mixture separation factor for propylene over propane (an energy-intensive high-volume separation) and high propylene flux. Membrane synthesis through ligand-induced permselectivation of a nonselective and impermeable deposit is shown to be simple and highly reproducible and holds promise for scalability.
    Keywords: Engineering
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  • 69
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    American Physical Society (APS)
    Publication Date: 2018-09-11
    Description: Author(s): K. Mitarai, M. Negoro, M. Kitagawa, and K. Fujii We propose a classical-quantum hybrid algorithm for machine learning on near-term quantum processors, which we call quantum circuit learning. A quantum circuit driven by our framework learns a given task by tuning parameters implemented on it. The iterative optimization of the parameters allows us t... [Phys. Rev. A 98, 032309] Published Mon Sep 10, 2018
    Keywords: Quantum information
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  • 70
    Publication Date: 2018-09-11
    Description: Author(s): Marcin Nowakowski, Eliahu Cohen, and Pawel Horodecki The two-state-vector formalism and the entangled histories formalism are attempts to better understand quantum correlations in time. Both formalisms share some similarities, but they are not identical, having subtle differences in their interpretation and manipulation of quantum temporal structures.... [Phys. Rev. A 98, 032312] Published Mon Sep 10, 2018
    Keywords: Quantum information
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  • 71
    Publication Date: 2018-09-11
    Description: Author(s): Zhi-Rong Zhong, Xin-Jie Huang, Zhen-Biao Yang, Li-Tuo Shen, and Shi-Biao Zheng We propose a scheme for preparation of entangled coherent states for the motion of an ion in a two-dimensional anisotropic trap. In the scheme, the ion is driven by four laser beams along different directions in the ion trap plane, resulting in carrier excitation and couplings between the internal a... [Phys. Rev. A 98, 032311] Published Mon Sep 10, 2018
    Keywords: Quantum information
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  • 72
    Publication Date: 2018-09-12
    Description: Author(s): P. Z. Zhao, X. Wu, T. H. Xing, G. F. Xu, and D. M. Tong Nonadiabatic holonomic quantum computation has received increasing attention due to its robustness against control errors as well as high-speed realization. Several schemes of its implementation have been put forward based on various physical systems, each of which has some particular merits. In thi... [Phys. Rev. A 98, 032313] Published Tue Sep 11, 2018
    Keywords: Quantum information
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  • 73
    Publication Date: 2018-09-12
    Description: Author(s): Panagiotis Papanastasiou, Carlo Ottaviani, and Stefano Pirandola We study the impact of finite-size effects on the security of thermal one-way quantum cryptography. Our approach considers coherent and/or squeezed states at the preparation stage, on the top of which the sender adds trusted thermal noise. We compute the key rate incorporating finite-size effects, a... [Phys. Rev. A 98, 032314] Published Tue Sep 11, 2018
    Keywords: Quantum information
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  • 74
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    American Association for the Advancement of Science (AAAS)
    In: Science
    Publication Date: 2018-09-14
    Keywords: Engineering
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Geosciences , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 75
    Publication Date: 2018-09-14
    Description: Insects are among the most agile natural flyers. Hypotheses on their flight control cannot always be validated by experiments with animals or tethered robots. To this end, we developed a programmable and agile autonomous free-flying robot controlled through bio-inspired motion changes of its flapping wings. Despite being 55 times the size of a fruit fly, the robot can accurately mimic the rapid escape maneuvers of flies, including a correcting yaw rotation toward the escape heading. Because the robot’s yaw control was turned off, we showed that these yaw rotations result from passive, translation-induced aerodynamic coupling between the yaw torque and the roll and pitch torques produced throughout the maneuver. The robot enables new methods for studying animal flight, and its flight characteristics allow for real-world flight missions.
    Keywords: Engineering
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  • 76
    Publication Date: 2018-09-19
    Description: Author(s): Pak Hong Leung and Kenneth R. Brown It is well established that the collective motion of ion crystals can be used as a quantum bus for multiqubit entanglement. However, as the number of ions increases, it becomes difficult to directly entangle ions far apart and resolve all motional modes of the ion crystal. We introduce a scalable an... [Phys. Rev. A 98, 032318] Published Tue Sep 18, 2018
    Keywords: Quantum information
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  • 77
    Publication Date: 2018-09-20
    Description: Author(s): M. Nikaeen, A. Mani, and A. Bahrampour In the context of quantum locking of classical correlations protocols, the condition for equality of the amount of unlockable correlations and quantum discord of general classical-quantum states is investigated. Based on this condition, the structure of such general states is obtained. This conditio... [Phys. Rev. A 98, 032320] Published Wed Sep 19, 2018
    Keywords: Quantum information
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  • 78
    Publication Date: 2018-09-22
    Description: Author(s): Feng Mei, Gang Chen, Lin Tian, Shi-Liang Zhu, and Suotang Jia We propose a protocol using a tunable Xmon qubit chain to construct generalized Su-Schrieffer-Heeger (SSH) models that support various topological phases. We study the time evolution of a single-excitation quantum state in a SSH-type qubit chain and find that such dynamics is linked to the topologic... [Phys. Rev. A 98, 032323] Published Fri Sep 21, 2018
    Keywords: Quantum information
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  • 79
    Publication Date: 2018-09-22
    Description: Author(s): Chunhe Xiong, Asutosh Kumar, and Junde Wu Coherence measures and their operational interpretations lay the cornerstone of coherence theory. In this paper, we introduce a class of coherence measures with α affinity, say α affinity of coherence for α ∈ ( 0 , 1 ) . Furthermore, we obtain the analytic formulas for these coherence measures and study th... [Phys. Rev. A 98, 032324] Published Fri Sep 21, 2018
    Keywords: Quantum information
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  • 80
    Publication Date: 2018-09-29
    Description: Author(s): Fabian Furrer and William J. Munro Optical telecommunication is at the heart of today's internet and is currently enabled by the transmission of intense optical signals between remote locations. As we look to the future of telecommunication, quantum mechanics promise new ways to be able to transmit and process that information. Demon... [Phys. Rev. A 98, 032335] Published Fri Sep 28, 2018
    Keywords: Quantum information
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  • 81
    Publication Date: 2018-10-03
    Description: Author(s): Thomas Bullock, Francesco Cosco, Marwan Haddara, Sina Hamedani Raja, Oskari Kerppo, Leevi Leppäjärvi, Olli Siltanen, N. Walter Talarico, Antonella De Pasquale, Vittorio Giovannetti, and Sabrina Maniscalco The temporal evolution of entanglement between a noisy system and an ancillary system is analyzed in the context of continuous-time open quantum system dynamics. Focusing on a couple of analytically solvable models for qubit systems, we study how Markovian and non-Markovian characteristics influence... [Phys. Rev. A 98, 042301] Published Tue Oct 02, 2018
    Keywords: Quantum information
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  • 82
    Publication Date: 2018-10-04
    Description: Author(s): Jian Zhou, Duan Huang, and Ying Guo Continuous-variable quantum key distribution (CVQKD) is considered to be an alternative to classical cryptography for secure communication. However, its transmission distance is restricted to metropolitan areas, given that it is affected by the channel excess noise and losses. In this paper, we pres... [Phys. Rev. A 98, 042303] Published Wed Oct 03, 2018
    Keywords: Quantum information
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  • 83
    Publication Date: 2018-10-04
    Description: Author(s): Daiqin Su, Christian Weedbrook, and Kamil Brádler We introduce an efficient scheme to correct errors due to the finite squeezing effects in continuous-variable cluster states. Specifically, we consider the typical situation where the class of algorithms consists of input states that are known. By using the knowledge of the input states, we correct ... [Phys. Rev. A 98, 042304] Published Wed Oct 03, 2018
    Keywords: Quantum information
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  • 84
    Publication Date: 2018-10-04
    Description: Author(s): Zhihua Chen, Zhihao Ma, Yunlong Xiao, and Shao-Ming Fei We study entropic uncertainty relations by using stepwise linear functions and quadratic functions. Two kinds of improved uncertainty lower bounds are constructed: the state-independent one based on the lower bound of Shannon entropy and the tighter state-dependent one based on the majorization tech... [Phys. Rev. A 98, 042305] Published Wed Oct 03, 2018
    Keywords: Quantum information
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  • 85
    Publication Date: 2018-10-04
    Description: Author(s): C. Jebarathinam, Aiman Khan, Som Kanjilal, and Dipankar Home The present work is motivated by the question what aspect of correlation entailed by the two-qubit state serves as the appropriate quantitative resource for steering. To this end, considering Bell-diagonal states, suitable measures of simultaneous correlations in two and three complementary (mutuall... [Phys. Rev. A 98, 042306] Published Wed Oct 03, 2018
    Keywords: Quantum information
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  • 86
    Publication Date: 2018-10-06
    Description: Author(s): Patrick Rebentrost, Thomas R. Bromley, Christian Weedbrook, and Seth Lloyd Neural networks, ubiquitous in machine learning, are generalized to the quantum realm. The method results in a network that can be exploited to offer exponential speedup on many applications, such as image processing and optimization, thus with a wider interest in neuroscience and medicine. [Phys. Rev. A 98, 042308] Published Fri Oct 05, 2018
    Keywords: Quantum information
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  • 87
    Publication Date: 2018-10-06
    Description: Author(s): Dongmin Kim and Kyungsun Moon We theoretically propose a circuit QED system implemented with a triple-leg stripline resonator (TSR). Unlike from a linear stripline resonator, the fundamental intracavity microwave modes of the TSR are twofold degenerate. When a superconducting qubit is placed near one of the TSR legs, one fundame... [Phys. Rev. A 98, 042307] Published Fri Oct 05, 2018
    Keywords: Quantum information
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  • 88
    Publication Date: 2018-10-09
    Description: Author(s): J. Miguel-Ramiro and W. Dür We introduce entanglement purification protocols for d -level systems (qudits) with improved efficiency as compared to previous protocols. While we focus on protocols for bipartite systems, we also propose generalizations to multipartite qudit systems. The schemes we introduce include recurrence prot... [Phys. Rev. A 98, 042309] Published Mon Oct 08, 2018
    Keywords: Quantum information
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  • 89
    Publication Date: 2018-10-09
    Description: Author(s): Xiao-Qiang Shao We propose a dissipative method for preparation of a maximally entangled steady state of two trapped ions in the Lamb-Dicke limit. By addressing the trapped-ion system with a monochromatic standing-wave laser pulse of frequency resonant with the ionic transition and a microwave field coupled to the ... [Phys. Rev. A 98, 042310] Published Mon Oct 08, 2018
    Keywords: Quantum information
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  • 90
    Publication Date: 2018-10-10
    Description: Author(s): Shounak Datta and A. S. Majumdar Nonlocal advantage of quantum coherence (NAQC) or steerability of local quantum coherence is a strong nonlocal resource based on coherence complementarity relations. In this work, we provide an upper bound on the number of observers who can independently steer the coherence of the observer in the ot... [Phys. Rev. A 98, 042311] Published Tue Oct 09, 2018
    Keywords: Quantum information
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  • 91
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    American Physical Society (APS)
    Publication Date: 2018-10-10
    Description: Author(s): Fereshte Shahbeigi and Seyed Javad Akhtarshenas Quantum coherence is a fundamental aspect of quantum physics and plays a central role in quantum information science. This essential property of the quantum states could be fragile under the influence of the quantum operations. The extent to which quantum coherence is diminished depends both on the ... [Phys. Rev. A 98, 042313] Published Tue Oct 09, 2018
    Keywords: Quantum information
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  • 92
    Publication Date: 2018-10-13
    Description: Author(s): Adam C. Keith, Charles H. Baldwin, Scott Glancy, and E. Knill Estimation of quantum states and measurements is crucial for the implementation of quantum information protocols. The standard method for each is quantum tomography. However, quantum tomography suffers from systematic errors caused by imperfect knowledge of the system. We present a procedure to simu... [Phys. Rev. A 98, 042318] Published Fri Oct 12, 2018
    Keywords: Quantum information
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  • 93
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    American Physical Society (APS)
    Publication Date: 2018-10-13
    Description: Author(s): Markus Hauru and Guifre Vidal Given two states | ψ 〉 and | ϕ 〉 of a quantum many-body system, one may use the overlap or fidelity | 〈 ψ | ϕ 〉 | to quantify how similar they are. To further resolve the similarity of | ψ 〉 and | ϕ 〉 in space, one can consider their reduced density matrices ρ and σ on various regions of the system and compute th... [Phys. Rev. A 98, 042316] Published Fri Oct 12, 2018
    Keywords: Quantum information
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  • 94
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    American Physical Society (APS)
    Publication Date: 2018-10-13
    Description: Author(s): Ming-Xing Luo The multipartite correlations derived from local measurements on some composite quantum systems are inconsistent with those reproduced classically. This inconsistency is known as the quantum nonlocality and shows a milestone in the foundations of quantum theory. Still, it is NP hard to decide a nonl... [Phys. Rev. A 98, 042317] Published Fri Oct 12, 2018
    Keywords: Quantum information
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  • 95
    Publication Date: 2018-10-16
    Description: Author(s): Shang Yu, Chang-Jiang Huang, Jian-Shun Tang, Zhih-Ahn Jia, Yi-Tao Wang, Zhi-Jin Ke, Wei Liu, Xiao Liu, Zong-Quan Zhou, Ze-Di Cheng, Jin-Shi Xu, Yu-Chun Wu, Yuan-Yuan Zhao, Guo-Yong Xiang, Chuan-Feng Li, Guang-Can Guo, Gael Sentís, and Ramon Muñoz-Tapia Detecting a change point is a crucial task in statistics that has been recently extended to the quantum realm. A source state generator that emits a series of single photons in a default state suffers an alteration at some point and starts to emit photons in a mutated state. The problem consists in ... [Phys. Rev. A 98, 040301(R)] Published Mon Oct 15, 2018
    Keywords: Quantum information
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  • 96
    Publication Date: 2018-10-16
    Description: Author(s): Hongyi Zhou, Pei Zeng, Mohsen Razavi, and Xiongfeng Ma Continuous-variable quantum cryptographic systems, including random number generation and key distribution, are often based on coherent detection. The essence of the security analysis lies in the randomness quantification. Previous analyses employ a semiquantum picture, where the strong local oscill... [Phys. Rev. A 98, 042321] Published Mon Oct 15, 2018
    Keywords: Quantum information
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  • 97
    Publication Date: 2018-10-16
    Description: Author(s): Mario Berta, Fernando G. S. L. Brandão, Christian Majenz, and Mark M. Wilde We define the deconstruction cost of a tripartite quantum state on systems A B E as the minimum rate of noise needed to apply to the A E systems, such that there is negligible disturbance to the marginal state on the B E systems, while the system A of the resulting state is locally recoverable from the ... [Phys. Rev. A 98, 042320] Published Mon Oct 15, 2018
    Keywords: Quantum information
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  • 98
    Publication Date: 2018-10-16
    Description: Author(s): Ryo Namiki, Akira Kitagawa, and Takuya Hirano We have developed a method to calculate a secret key rate of a continuous-variable quantum-key-distribution scheme using four coherent states and postselection for a general model of Gaussian attacks. We assume that the transmission line and detection process are described by a pair of Gaussian chan... [Phys. Rev. A 98, 042319] Published Mon Oct 15, 2018
    Keywords: Quantum information
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  • 99
    Publication Date: 2018-10-16
    Description: Author(s): Shashank Gupta, Shounak Datta, and A. S. Majumdar A tripartite quantum network is said to be bilocal if two independent sources produce a pair of bipartite entangled states. Quantum nonbilocal correlation emerges when the central party which possesses two particles from two different sources performs Bell-state measurement on them and nonlocality i... [Phys. Rev. A 98, 042322] Published Mon Oct 15, 2018
    Keywords: Quantum information
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  • 100
    Publication Date: 2018-10-17
    Description: Author(s): Andrea Olivo and Frédéric Grosshans In the last decade Grice [ Phys. Rev. A 84 , 042331 (2011) ] and Ewert and van Loock [ Phys. Rev. Lett. 113 , 140403 (2014) ] found linear optical networks achieving near-unit efficiency unambiguous Bell state discrimination, when fed with increasingly complex ancillary states. However, except for the vac... [Phys. Rev. A 98, 042323] Published Tue Oct 16, 2018
    Keywords: Quantum information
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