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  • 1
    Publication Date: 2017-11-03
    Description: Author(s): D. R. M. Arvidsson-Shukur, H. V. Lepage, E. T. Owen, T. Ferrus, and C. H. W. Barnes In this paper we present a protocol for the implementation of a positive-operator-valued measure (POVM) on massive fermionic qubits. We present methods for implementing nondispersive qubit transport, spin rotations, and spin polarizing beam-splitter operations. Our scheme attains linear opticslike c... [Phys. Rev. A 96, 052305] Published Thu Nov 02, 2017
    Keywords: Quantum information
    Print ISSN: 1050-2947
    Electronic ISSN: 1094-1622
    Topics: Physics
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  • 2
    Monograph available for loan
    Monograph available for loan
    Oxford [u.a.] : Pergamon Pr.
    Call number: G 5017
    Type of Medium: Monograph available for loan
    Pages: VII, 162 S. : graph. Darst.
    Series Statement: The Commonwealth and international library : geology division
    Location: Upper compact magazine
    Branch Library: GFZ Library
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  • 3
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 666-666 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We particularly searched for the two transitions of methyl cyanide which had been detected by Ulich and Conklin1 when the comet was 0.8 AU from the Sun before perihelion. As we were observing the comet after perihelion, when it was approximately the same distance from the Sun, the temperature of ...
    Type of Medium: Electronic Resource
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  • 4
    Publication Date: 2019-05-24
    Type: http://purl.org/escidoc/metadata/ves/publication-types/article
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  • 5
    Publication Date: 2014-03-07
    Description: Author(s): E. T. Owen, M. C. Dean, and C. H. W. Barnes The dynamics of any electron-based qubit in quantum condensed-matter systems will inherently involve both spin and charge degrees of freedom however it is defined. The spin-orbit interaction will cause both spin precession and spin-charge entanglement and the resulting dynamics can be very complex. ... [Phys. Rev. A 89, 032305] Published Thu Mar 06, 2014
    Keywords: Quantum information
    Print ISSN: 1050-2947
    Electronic ISSN: 1094-1622
    Topics: Physics
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  • 6
    Publication Date: 2014-04-19
    Description: Environmental Science & Technology DOI: 10.1021/es404964j
    Print ISSN: 0013-936X
    Electronic ISSN: 1520-5851
    Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering
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  • 7
    Publication Date: 2018-04-14
    Description: Driven-dissipative quantum many-body systems have attracted increasing interest in recent years as they lead to novel classes of quantum many-body phenomena. In particular, mean-field calculations predict limit cycle phases, slow oscillations instead of stationary states, in the long-time limit for a number of driven-dissipative quantum many-body systems. Using a cluster mean-field and a self-consistent Mori projector approach, we explore the persistence of such limit cycles as short range quantum correlations are taken into account in a driven-dissipative Heisenberg model.
    Electronic ISSN: 1367-2630
    Topics: Physics
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  • 8
    Publication Date: 2015-10-30
    Description: The composition of the neutral gas comas of most comets is dominated by H2O, CO and CO2, typically comprising as much as 95 per cent of the total gas density. In addition, cometary comas have been found to contain a rich array of other molecules, including sulfuric compounds and complex hydrocarbons. Molecular oxygen (O2), however, despite its detection on other icy bodies such as the moons of Jupiter and Saturn, has remained undetected in cometary comas. Here we report in situ measurement of O2 in the coma of comet 67P/Churyumov-Gerasimenko, with local abundances ranging from one per cent to ten per cent relative to H2O and with a mean value of 3.80 +/- 0.85 per cent. Our observations indicate that the O2/H2O ratio is isotropic in the coma and does not change systematically with heliocentric distance. This suggests that primordial O2 was incorporated into the nucleus during the comet's formation, which is unexpected given the low upper limits from remote sensing observations. Current Solar System formation models do not predict conditions that would allow this to occur.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bieler, A -- Altwegg, K -- Balsiger, H -- Bar-Nun, A -- Berthelier, J-J -- Bochsler, P -- Briois, C -- Calmonte, U -- Combi, M -- De Keyser, J -- van Dishoeck, E F -- Fiethe, B -- Fuselier, S A -- Gasc, S -- Gombosi, T I -- Hansen, K C -- Hassig, M -- Jackel, A -- Kopp, E -- Korth, A -- Le Roy, L -- Mall, U -- Maggiolo, R -- Marty, B -- Mousis, O -- Owen, T -- Reme, H -- Rubin, M -- Semon, T -- Tzou, C-Y -- Waite, J H -- Walsh, C -- Wurz, P -- England -- Nature. 2015 Oct 29;526(7575):678-81. doi: 10.1038/nature15707.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Climate and Space Science and Engineering, University of Michigan, 2455 Hayward Street, Ann Arbor, Michigan 48109, USA. ; Physikalisches Institut, University of Bern, Sidlerstrasse 5, CH-3012 Bern, Switzerland. ; Center for Space and Habitability, University of Bern, Sidlerstrasse 5, CH-3012 Bern, Switzerland. ; Department of Geosciences, Tel-Aviv University, Ramat-Aviv, 6997801 Tel-Aviv, Israel. ; LATMOS/IPSL-CNRS-UPMC-UVSQ, 4 Avenue de Neptune, F-94100 Saint-Maur, France. ; Laboratoire de Physique et Chimie de l'Environnement et de l'Espace (LPC2E), UMR 6115 CNRS - Universite d'Orleans, 45071 Orleans, France. ; Belgian Institute for Space Aeronomy, BIRA-IASB, Ringlaan 3, B-1180 Brussels, Belgium. ; Leiden Observatory, Leiden University, PO Box 9513, 2300 RA Leiden, The Netherlands. ; Institute of Computer and Network Engineering (IDA), TU Braunschweig, Hans-Sommer-Strasse 66, D-38106 Braunschweig, Germany. ; Space Science and Engineering Division, Southwest Research Institute, 6220 Culebra Road, San Antonio, Texas 78228, USA. ; Max-Planck-Institut fur Sonnensystemforschung, Justus-von-Liebig-Weg 3, 37077 Gottingen, Germany. ; Centre de Recherches Petrographiques et Geochimiques, CRPG-CNRS, Universite de Lorraine, 15 rue Notre Dame des Pauvres, BP 20, 54501 Vandoeuvre les Nancy, France. ; Aix Marseille Universite, CNRS, LAM (Laboratoire d'Astrophysique de Marseille) UMR 7326, 13388 Marseille, France. ; Institute for Astronomy, University of Hawaii, Honolulu, Hawaii 96822, USA. ; Universite de Toulouse-UPS-OMP-IRAP, 31400 Toulouse, France. ; CNRS-IRAP, 9 avenue du Colonel Roche, BP 44346, F-31028 Toulouse Cedex 4, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26511578" target="_blank"〉PubMed〈/a〉
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 9
    Publication Date: 2014-12-17
    Description: The provenance of water and organic compounds on Earth and other terrestrial planets has been discussed for a long time without reaching a consensus. One of the best means to distinguish between different scenarios is by determining the deuterium-to-hydrogen (D/H) ratios in the reservoirs for comets and Earth's oceans. Here, we report the direct in situ measurement of the D/H ratio in the Jupiter family comet 67P/Churyumov-Gerasimenko by the ROSINA mass spectrometer aboard the European Space Agency's Rosetta spacecraft, which is found to be (5.3 +/- 0.7) x 10(-4)-that is, approximately three times the terrestrial value. Previous cometary measurements and our new finding suggest a wide range of D/H ratios in the water within Jupiter family objects and preclude the idea that this reservoir is solely composed of Earth ocean-like water.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Altwegg, K -- Balsiger, H -- Bar-Nun, A -- Berthelier, J J -- Bieler, A -- Bochsler, P -- Briois, C -- Calmonte, U -- Combi, M -- De Keyser, J -- Eberhardt, P -- Fiethe, B -- Fuselier, S -- Gasc, S -- Gombosi, T I -- Hansen, K C -- Hassig, M -- Jackel, A -- Kopp, E -- Korth, A -- LeRoy, L -- Mall, U -- Marty, B -- Mousis, O -- Neefs, E -- Owen, T -- Reme, H -- Rubin, M -- Semon, T -- Tzou, C-Y -- Waite, H -- Wurz, P -- New York, N.Y. -- Science. 2015 Jan 23;347(6220):1261952. doi: 10.1126/science.1261952. Epub 2014 Dec 10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Physikalisches Institut, University of Bern, Sidlerstrasse 5, CH-3012 Bern, Switzerland. altwegg@space.unibe.ch. ; Physikalisches Institut, University of Bern, Sidlerstrasse 5, CH-3012 Bern, Switzerland. ; Department of Geosciences, Tel-Aviv University, Ramat-Aviv, Tel-Aviv, Israel. ; Laboratoire Atmospheres, Milieux, Observations Spatiales (LATMOS), 4 Avenue de Neptune, F-94100 Saint-Maur, France. ; Physikalisches Institut, University of Bern, Sidlerstrasse 5, CH-3012 Bern, Switzerland. Department of Atmospheric, Oceanic and Space Sciences, University of Michigan, 2455 Hayward, Ann Arbor, MI 48109, USA. ; Laboratoire de Physique et Chimie de l'Environnement et de l'Espace (LPC2E), UMR 6115 CNRS-Universite d'Orleans, France. ; Department of Atmospheric, Oceanic and Space Sciences, University of Michigan, 2455 Hayward, Ann Arbor, MI 48109, USA. ; Space Physics Division, Belgisch Instituut voor Ruimte-Aeronomie (BIRA)-Institut d'Aeronomie Spatiale de Belgique (IASB), Ringlaan 3, B-1180 Brussels, Belgium. ; Institute of Computer and Network Engineering (IDA), Technicsche Universitat Braunschweig, Hans-Sommer-Strasse 66, D-38106 Braunschweig, Germany. ; Department of Space Science, Southwest Research Institute, 6220 Culebra Road, San Antonio, TX 78228, USA. ; Physikalisches Institut, University of Bern, Sidlerstrasse 5, CH-3012 Bern, Switzerland. Department of Space Science, Southwest Research Institute, 6220 Culebra Road, San Antonio, TX 78228, USA. ; Max-Planck-Institut fur Sonnensystemforschung, Justus-von-Liebig-Weg 3, 37077 Gottingen, Germany. ; Centre de Recherches Petrographiques et Geochimiques, Centre de Recherches Petrographiques et Geochimiques (CRPG)-CNRS, Universite de Lorraine, 15 rue Notre Dame des Pauvres, BP 20, 54501 Vandoeuvre les Nancy, France. ; Universite de Franche-Comte, Institut Univers, Transport, Interfaces, Nanostructures, Atmosphere et Environnement, Molecules (UTINAM), CNRS/Institut National des Sciences de l'Univers (INSU), UMR 6213 Besancon Cedex, France. ; Institute for Astronomy, University of Hawaii, Honolulu, HI 96822, USA. ; Universite de Toulouse, Universite Paul Sabatier (UPS)-Observatoire Midi-Pyrenees (OMP), Institut de Recherche en Astrophysique et Planetologie (IRAP), Toulouse, France. CNRS, IRAP, 9 Avenue du Colonel Roche, BP 44346, F-31028 Toulouse cedex 4, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25501976" target="_blank"〉PubMed〈/a〉
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 10
    Publication Date: 2013-09-28
    Description: Samples from the Rocknest aeolian deposit were heated to ~835 degrees C under helium flow and evolved gases analyzed by Curiosity's Sample Analysis at Mars instrument suite. H2O, SO2, CO2, and O2 were the major gases released. Water abundance (1.5 to 3 weight percent) and release temperature suggest that H2O is bound within an amorphous component of the sample. Decomposition of fine-grained Fe or Mg carbonate is the likely source of much of the evolved CO2. Evolved O2 is coincident with the release of Cl, suggesting that oxygen is produced from thermal decomposition of an oxychloride compound. Elevated deltaD values are consistent with recent atmospheric exchange. Carbon isotopes indicate multiple carbon sources in the fines. Several simple organic compounds were detected, but they are not definitively martian in origin.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Leshin, L A -- Mahaffy, P R -- Webster, C R -- Cabane, M -- Coll, P -- Conrad, P G -- Archer, P D Jr -- Atreya, S K -- Brunner, A E -- Buch, A -- Eigenbrode, J L -- Flesch, G J -- Franz, H B -- Freissinet, C -- Glavin, D P -- McAdam, A C -- Miller, K E -- Ming, D W -- Morris, R V -- Navarro-Gonzalez, R -- Niles, P B -- Owen, T -- Pepin, R O -- Squyres, S -- Steele, A -- Stern, J C -- Summons, R E -- Sumner, D Y -- Sutter, B -- Szopa, C -- Teinturier, S -- Trainer, M G -- Wray, J J -- Grotzinger, J P -- MSL Science Team -- New York, N.Y. -- Science. 2013 Sep 27;341(6153):1238937. doi: 10.1126/science.1238937.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Earth and Environmental Sciences and School of Science, Rensselaer Polytechnic Institute, Troy, NY 12180, USA. leshin@rpi.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24072926" target="_blank"〉PubMed〈/a〉
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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