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  • 1
    Unknown
    Mathematical cosmology and extragalactic astronomy (1976)
    New York : Academic Press
    Details
    Keywords: DDC 523.1/01/84 ; LC QA3 ; Astronomy - Mathematics ; Cosmology
    Pages: Online-Ressource (ix, 204 pages)
    ISBN: 9780126352504
    URL: http://www.sciencedirect.com/science/publication?issn=00798169&volume=68
    Language: English
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  • 2
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    Cosmic Order and Divine Power (2021)
    Mohr Siebeck
    Details
    Publication Date: 2022-05-02
    Description: The treatise De mundo offers a cosmology in the Peripatetic tradition which subordinates what happens in the cosmos to the might of an omnipotent god. Thus the work is paradigmatic for the philosophical and religious concepts of the early imperial age, which offer points of contact with nascent Christianity.
    Keywords: Philosophy ; Greco-Roman-Philosophy ; Cosmology ; Peripatetic Tradition ; Reception of Greek Philosophy
    Language: English
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  • 3
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    One Hundred Years of General Relativity:From Genesis and Empirical Foundations to Gravitational Waves, Cosmology and Quantum Gravity (2021)
    World Scientific Publishing Co.
    Details
    Publication Date: 2022-01-31
    Description: The aim of this two-volume title is to give a comprehensive review of one hundred years of development of general relativity and its scientific influences. This unique title provides a broad introduction and review to the fascinating and profound subject of general relativity, its historical development, its important theoretical consequences, gravitational wave detection and applications to astrophysics and cosmology. The series focuses on five aspects of the theory: Genesis, Solutions and Energy Empirical Foundations Gravitational Waves Cosmology Quantum Gravity The first three topics are covered in Volume 1 and the remaining two are covered in Volume 2. While this is a two-volume title, it is designed so that each volume can be a standalone reference volume for the related topic.
    Keywords: General Relativity ; Gravitation ; Quantum Gravity ; Gravitational Waves ; Cosmology
    Language: English
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  • 4
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    The Teleological and Kalam Cosmological Arguments Revisited (2022)
    Springer Nature | Palgrave Macmillan
    Details
    Publication Date: 2024-04-08
    Description: A prominent issue in many contemporary philosophy of religion debates concerns whether the universe has a Designer. This book moves the discussion ahead in a significant way by devising an original deductive formulation of the Teleological Argument (TA) which demonstrates that the following are the only possible categories of hypotheses concerning fine-tuning and order: (i) chance, (ii) regularity, (iii) combinations of regularity and chance, (iv) uncaused, and (v) design. This book also demonstrates that there are essential features of each category such that, while the alternatives to design are unlikely, the Design Hypothesis is not, and that one can argue for design by exclusion without having to first assign a prior probability for design. By combining the TA with the Kalam Cosmological Argument (KCA) which it defends against various objections, this book responds to the God-of-the-gaps objection by demonstrating that the conclusion of the KCA-TA is not based on gaps which can be filled by further scientific progress, but follows from deduction and exclusion. This is an open access book.
    Keywords: Ultimate Designer ; Cosmology ; Causation ; Fine-Tuning ; First Cause ; Laws of Nature ; bic Book Industry Communication::H Humanities::HR Religion & beliefs::HRA Religion: general::HRAB Philosophy of religion ; bic Book Industry Communication::P Mathematics & science::PD Science: general issues::PDA Philosophy of science ; bic Book Industry Communication::H Humanities::HP Philosophy::HPJ Philosophy: metaphysics & ontology ; thema EDItEUR::Q Philosophy and Religion::QR Religion and beliefs::QRA Religion: general::QRAB Philosophy of religion ; thema EDItEUR::P Mathematics and Science::PD Science: general issues::PDA Philosophy of science ; thema EDItEUR::Q Philosophy and Religion::QD Philosophy::QDT Topics in philosophy::QDTJ Philosophy: metaphysics and ontology
    Language: English
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  • 5
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    Northern Archaeology and Cosmology (2021)
    Taylor & Francis | Routledge
    Details
    Publication Date: 2024-04-04
    Description: In its analysis of the archaeologies and histories of the northern fringe of Europe, this book provides a focus on animistic–shamanistic cosmologies and the associated human–environment relations from the Neolithic to modern times. The North has fascinated Europeans throughout history, as an enchanted world of natural and supernatural marvels: a land of light and dark, of northern lights and the midnight sun, of witches and magic and of riches ranging from amber to oil. Northern lands conflate fantasies and realities. Rich archaeological, historical, ethnographic and folkloric materials combine in this book with cutting-edge theoretical perspectives drawn from relational ontologies and epistemologies, producing a fresh approach to the prehistory and history of a region that is pivotal to understanding Europe-wide processes, such as Neolithization and modernization. This book examines the mythical and actual northern worlds, with northern relational modes of perceiving and engaging with the world on the one hand and the ‘place’ of the North in European culture on the other. This book is an indispensable read for scholars of archaeology, anthropology, cultural studies and folklore in northern Europe, as well as researchers interested in how the North is intertwined with developments in the broader European and Eurasian world. It provides a deep-time understanding of globally topical issues and conflicting interests, as expressed by debates and controversies around Arctic resources, nature preservation and indigenous rights.
    Keywords: Archaeology ; Cosmology ; thema EDItEUR::N History and Archaeology::NK Archaeology
    Language: English
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  • 6
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    The Fourteenth Marcel Grossmann Meeting:On Recent Developments in Theoretical and Experimental General Relativity, Astrophysics, and Relativistic Field Theories (In 4 Volumes) (2021)
    World Scientific Publishing Co.
    Details
    Publication Date: 2022-01-31
    Description: The four volumes of the proceedings of MG14 give a broad view of all aspects of gravitational physics and astrophysics, from mathematical issues to recent observations and experiments. The scientific program of the meeting included 35 morning plenary talks over 6 days, 6 evening popular talks and 100 parallel sessions on 84 topics over 4 afternoons. Volume A contains plenary and review talks ranging from the mathematical foundations of classical and quantum gravitational theories including recent developments in string theory, to precision tests of general relativity including progress towards the detection of gravitational waves, and from supernova cosmology to relativistic astrophysics, including topics such as gamma ray bursts, black hole physics both in our galaxy and in active galactic nuclei in other galaxies, and neutron star, pulsar and white dwarf astrophysics. The remaining volumes include parallel sessions which touch on dark matter, neutrinos, X-ray sources, astrophysical black holes, neutron stars, white dwarfs, binary systems, radiative transfer, accretion disks, quasars, gamma ray bursts, supernovas, alternative gravitational theories, perturbations of collapsed objects, analog models, black hole thermodynamics, numerical relativity, gravitational lensing, large scale structure, observational cosmology, early universe models and cosmic microwave background anisotropies, inhomogeneous cosmology, inflation, global structure, singularities, chaos, Einstein-Maxwell systems, wormholes, exact solutions of Einstein's equations, gravitational waves, gravitational wave detectors and data analysis, precision gravitational measurements, quantum gravity and loop quantum gravity, quantum cosmology, strings and branes, self-gravitating systems, gamma ray astronomy, cosmic rays and the history of general relativity.
    Keywords: Binary Systems ; Astrophysics ; Loop Quantum Gravity ; Gravitational Wave Detectors and Data Analysis ; Black Hole Thermodynamics ; Active Galactic Nuclei ; Observational Cosmology ; Gravitational Wave ; X-ray Sources ; Dark Matter ; General Relativity ; Cosmic Rays ; Inflation ; Numerical Relativity ; Neutrinos ; Theoretical Physics ; Large Scale Structure ; Inhomogeneous Cosmology ; Radiative Transfer ; Supernova ; Gravitation ; Black Hole ; White Dwarf ; Precision Gravitational Measurements ; Quantum Gravity ; Quantum Cosmology ; Einstein-Maxwell Systems ; String Theory ; Cosmic Microwave Background Anisotropies ; Accretion Disks ; Neutron Star ; Gravitational Lensing ; Exact Solutions of Einstein's Equations ; Early Universe Models ; Wormholes ; Cosmology ; Pulsar ; Gamma Ray Burst
    Language: English
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  • 7
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    One Hundred Years of General Relativity:From Genesis and Empirical Foundations to Gravitational Waves, Cosmology and Quantum Gravity (2021)
    World Scientific Publishing Co.
    Details
    Publication Date: 2022-01-31
    Description: The aim of this two-volume title is to give a comprehensive review of one hundred years of development of general relativity and its scientific influences. This unique title provides a broad introduction and review to the fascinating and profound subject of general relativity, its historical development, its important theoretical consequences, gravitational wave detection and applications to astrophysics and cosmology. The series focuses on five aspects of the theory: Genesis, Solutions and Energy Empirical Foundations Gravitational Waves Cosmology Quantum Gravity The first three topics are covered in Volume 1 and the remaining two are covered in Volume 2. While this is a two-volume title, it is designed so that each volume can be a standalone reference volume for the related topic.
    Keywords: General Relativity ; Gravitation ; Quantum Gravity ; Gravitational Waves ; Cosmology
    Language: English
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  • 8
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    Dalle stelle all'universo. Nascita della cosmologia moderna (2023)
    Milano University Press | Milano University Press
    Details
    Publication Date: 2024-04-04
    Description: The homo sapiens has always been fascinated by the spectacle of the starry sky, leading him to ask himself deep questions: what is above us? Is the Universe eternal or was it born, and how, in a remote time? Is it finite or infinite? What is its future? Are we alone or are there other planets, other worlds? To answer to these questions, at least in part, and with the conviction that it is the duty of men of science to transmit to society the news of leading-edge knowledge, we have written this book. Here we tell, with simplicity but with rigor, how in the last century, discovery after discovery, the pattern of the Universe that men had conceived in the past has fallen apart and a different, fascinating and even disturbing picture has gradually emerged. But this story is not just a story of intellect and reason; it is also a story of feelings. It is no accident that the authors of this book, experts in particle physics and astroparticle physics, have been seized by an authentic passion for these cosmological themes, for that extraordinary mystery that encloses the starry sky.
    Description: Published
    Description: Da sempre l’uomo è affascinato dallo spettacolo del cielo stellato che lo porta a porsi grandi domande: cosa sta sopra di noi? L’Universo è eterno o è nato, e come, in un tempo remoto? È finito o infinito? Quale è il suo futuro? Siamo soli oppure ci sono altri pianeti, altri mondi? Per rispondere almeno in parte a queste domande, e con la convinzione che sia un dovere degli uomini di scienza trasmettere alla società notizia delle conoscenze acquisite, abbiamo scritto questo libro. Qui raccontiamo, con semplicità ma con rigore, come nell’ultimo secolo, scoperta dopo scoperta, lo schema dell’Universo che gli uomini si erano fatti nel passato sia andato in pezzi e un quadro diverso, affascinante e anche inquietante sia gradualmente emerso. Questa storia non è però solo una storia dell'intelletto e della ragione; è anche una storia del sentimento. Non è un caso che gli autori di questo libro, esperti di fisica delle particelle e di fisica astroparticellare, siano stati colti da autentica passione per queste tematiche cosmologiche, per quello straordinario mistero che racchiude il cielo stellato.
    Keywords: Cosmology ; History of Science ; thema EDItEUR::P Mathematics and Science::PG Astronomy, space and time
    Language: Italian
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  • 9
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    La Gravitazione Idrodinamica Come Causa Della Espansione Terrestre (2021)
    OGS - TRIESTE
    Details
    Publication Date: 2021-05-12
    Description: Dalle Scienze della Terra e dalle evidenze di espansione del pianeta (Egyed, 1961; Hilgenberg, 1967, 1974; Carey, 1976; Owen, 1976; Maxlow, 2002; Cwojdziński, 2003; Scalera, 1990, 1993, 2001, 2010, 2012, 2020), corroborate oggi dagli esperimenti di rivelazione dei neutrini terrestri di origine radiogenica (Borexino collaboration, 2017; Shimizu, 2017; Scalera, 2020) proviene la consapevolezza che la causa della espansione sia un flusso di materia costitutiva, o etere, che converge verso il centro del pianeta trasformandosi in materia ordinaria durante il tragitto superficie-geocentro. In questo lavoro adotteremo questa concezione a “torrente centrale”, risalente a Johann Bernoulli, e tenteremo un primo passo verso la conoscenza dei parametri caratterizzanti l’etere: densità, velocità, portate.
    Description: Submitted
    Description: ONLINE
    Description: 1T. Struttura della Terra
    Keywords: Expanding Earth ; Hydrodinamic Gravitation ; Cosmology ; Aether parameters ; Expanding Earth and Gravitation
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: Extended abstract
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  • 10
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    Can the history of the ether receive new boost from geosciences? (2020)
    Pavia University
    Details
    Publication Date: 2020-02-10
    Description: A discussion of several kinds of ether as they can be inferred from Geosciences, and what the existence of the ether could imply for Physics and Cosmology. A tribute to the memory of my mentor Franco Selleri.
    Description: This article is written in honor of my mentor Franco Selleri who has helped to consolidate my awareness of the existence of a medium subtended to ordinary matter, and from which everything comes. From my field, the Earth Sciences, come clues converging on an important role of the ether in the geological evolution of Earth and planets, as well as all the structures of the universe. Paleogeographic reconstructions allow a rough quantitative evaluation of the amount of new ordinary matter that is added to the planet in the unity of time, and the consequent statement of some cosmological consequences and on the inner energy balance of the Earth. The concept of central flow of ether defended here is different from the Lorentian stationary ether, but the two concepts could be made compatible.
    Description: SISFA
    Description: Published
    Description: 307-316
    Description: 2TM. Divulgazione Scientifica
    Keywords: Expanding Earth ; History ; Geophysics ; Physics ; Ether flow ; Earth's inner heat balance ; Cosmology ; History and Philosophy of Science
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: book chapter
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  • 11
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    Hydrodynamic Gravitation as Cause of Earth Expansion and Red-Shift (2021)
    Details
    Publication Date: 2021-12-02
    Description: This text is a preprint
    Description: From Earth Sciences come clues converging on an important role of the aether in the geological evolution of Earth and planets, as well as all the structures of the universe. Paleogeographic reconstructions allow a rough quantitative evaluation of the amount of new ordinary matter that is added to the planet in the unity of time, and the consequent statement of some cosmological consequences and inferences on the inner energy balance of the Earth. The concept of central flow of aether is defended here. Its antique origin can be found in Isaac Newton (1643-1727) and less vaguely in John Bernoulli (1667-1748). With the help of astrophysical phenomena the aether’s density, flow rate, and velocity are computed. An intimal interrelation of these aether parameters with the actually known cosmological parameters (H0, G, c) is found.
    Description: INGV
    Description: Not submitted
    Description: 1T. Struttura della Terra
    Description: N/A or not JCR
    Keywords: Hydrodynamic Gravity ; Aether ; Expanding Earth ; Cosmology ; Aether flow, Expanding Earth, Earth’s inner Energy, Gravitation, Cosmology
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: manuscript
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  • 12
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    Gravitazione idrodinamica: suo legame con l’espansione dei corpi celesti e con i redshifts – Dalla storia all’oggi (2021)
    Details
    Publication Date: 2022-12-15
    Description: The concept of central flow of aether has antique origins that can be found in Isaac Newton (1643-1727) and less vaguely in John Bernoulli (1667-1748). From Earth Sciences come clues on an important role of the aether in the geological evolution of Earth and planets, as well as of the universe. Paleogeography allows a rough evaluation of the new ordinary matter that is added to the planet in the unity of time, and consequent cosmological consequences and inferences on the Earth inner energy balance. With the help of modern astrophysical phenomena the aether’s density, flow rate, and velocity can be computed. An intimal interrelation of these aether parameters with the actually known cosmological parameters (H0, G, c) is found. The expansion of the celestial bodies is linked to a revision of the concepts of physics and cosmology, in which a role play the preferred conception of Hubble and several of his colleagues of the time (Kragh 2017) in explaining the cosmological redshift: the idea of “tired light”.
    Description: Unpublished
    Description: Arezzo e online
    Description: 1T. Struttura della Terra
    Keywords: Hydrodynamic Gravity ; Aether ; Expanding Earth ; Cosmology ; Storia della teoria della gravitazione, della espansione terrestre e della cosmologia
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: Conference paper
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  • 13
    Electronic Resource
    Electronic Resource
    Arc(let)s in clusters of galaxies (1994)
    Springer
    The astronomy and astrophysics review 5 (1994), S. 239-292 
    Details
    ISSN: 1432-0754
    Keywords: Gravitational lensing ; Clusters of galaxies ; Cosmology
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Summary The discovery of giant gravitational arcs and arclets in rich clusters of galaxies is one of the major events of the last decade in observational cosmology. High resolution imaging in subarcsecond seeing conditions of giant arcs gives information on the cluster potential and the matter distribution within the inner regions of clusters. Ultra-deep photometry of the clusters reveals numerous arclets with an orthoradial orientation from which one can infer the projected mass profile at large distance and the redshift distribution of the faintest distant background galaxies which are unobservable with standard spectroscopic techniques. Thanks to the strong magnification factor, the spectroscopy of giant arcs is possible and we can therefore observe with great detail a few very distant galaxies. Individual redshifts of arcs give the total mass of the lens, whereas the spectroscopy of a large sample of arcs also gives information on the redshift distribution of distant galaxies. It is obvious that cluster lenses play an important role as large natural telescopes for probing the distant universe. Finally, observations of multiple-arc configurations due to different sources may even constrain the cosmological parameters. We are now confident that gravitational lensing will be an essential tool within the next decade for observing very high redshift galaxies and the weak shear generated by the largest structures of the universe. In this review we summarize the present status of gravitational arc(let)s surveys with particular emphasis on the most important issues which have arisen during the last years and on the prospects for the future, regarding the rebirth of the Hubble Space Telescope, the coming of a new generation of Very Large Telescopes, and the development of large CCDs in the optical and the infrared.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00877691
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  • 14
    Electronic Resource
    Electronic Resource
    The origin and abundances of the chemical elements revisited (1991)
    Springer
    The astronomy and astrophysics review 3 (1991), S. 1-46 
    Details
    ISSN: 1432-0754
    Keywords: Nucleosynthesis ; Nuclear reactions ; Stars: abundances ; Interstellar Medium: abundances ; Cosmology ; Galaxies: evolution of
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Summary The basic scheme of nucleosynthesis (building of heavy elements from light ones) has held up very well since it was first proposed more than 30 years ago by E.M. Burbidge, G.R. Burbidge, A.G.W. Cameron, W.A. Fowler, and F. Hoyle. Significant advances in the intervening years include (a) observations of elemental and a few isotopic ratios in many more extrasolar-system sites, including metal-poor dwarf irregular galaxies, where very little has happened, and supernovae and their remnants, where a great deal has happened, (b) recognition of the early universe as good for making all the elements up to helium, (c) resolution of heavy element burning in stars into separate carbon, neon, oxygen, and silicon burning, with fine tuning of the resulting abundances by explosive nucleosynthesis in outgoing supernova shock waves, (d) clarification of the role of Type I supernovae, (e) concordance between elements produced in short-lived and long-lived stars with those that increased quickly and slowly over the history of the galaxy, and (f) calibration of calculations of the evolution and explosion of massive stars against the detailed observations of SN 1987A. The discussion presupposes a reader (a) with some prior knowledge of astronomy at the level of recognizing what is meant by an A star and an AGB star and (b) with at least a mild interest in how we got to where we currently are.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00873456
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  • 15
    Electronic Resource
    Electronic Resource
    The spectrum of the microwave background as a probe of the early universe
    Amsterdam : Elsevier
    Progress in Particle and Nuclear Physics 17 (1986), S. 117-141 
    Details
    ISSN: 0146-6410
    Keywords: Cosmology ; constraints on thermal histories of the universe ; microwave background radiation ; review of spectral observations ; spectral distortions
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0146-6410(86)90014-1
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  • 16
    Electronic Resource
    Electronic Resource
    A redshift survey in the Linx Gemini region
    Amsterdam : Elsevier
    Advances in Space Research 3 (1984), S. 431-434 
    Details
    ISSN: 0273-1177
    Keywords: Cosmology ; Redshifts ; Superclusters of Galaxies
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0273-1177(84)90124-8
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  • 17
    Electronic Resource
    Electronic Resource
    Measured properties of the cosmic background radiation
    Amsterdam : Elsevier
    Advances in Space Research 3 (1984), S. 459-464 
    Details
    ISSN: 0273-1177
    Keywords: 3K Blackbody Radiation ; Anisotropy ; Cosmic Microwave Background ; Cosmology ; Polarization ; Relict Radiation ; Spectral Distortions
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0273-1177(84)90129-7
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  • 18
    Electronic Resource
    Electronic Resource
    New multifrequency measurements of the spectrum of the cosmic background radiation
    Amsterdam : Elsevier
    Advances in Space Research 3 (1984), S. 465-467 
    Details
    ISSN: 0273-1177
    Keywords: 3K Blackbody ; Cosmic Background Radiation ; Cosmology ; Primoridal perturbations ; Spectral Distortions
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0273-1177(84)90130-3
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  • 19
    Electronic Resource
    Electronic Resource
    The spatial correlation function of cD Abell clusters
    Amsterdam : Elsevier
    Chinese Astronomy and Astrophysics 12 (1988), S. 279-282 
    Details
    ISSN: 0275-1062
    Keywords: Cosmology ; clustering ; galaxies ; galaxy clusters
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0275-1062(88)90031-8
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  • 20
    Electronic Resource
    Electronic Resource
    Cosmic strings and the two-point galaxy-galaxy correlation function
    Amsterdam : Elsevier
    Chinese Astronomy and Astrophysics 12 (1988), S. 159-163 
    Details
    ISSN: 0275-1062
    Keywords: Cosmology ; cosmic strings ; galaxy clustering ; two-point correlation function
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0275-1062(88)90012-4
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  • 21
    Electronic Resource
    Electronic Resource
    Quantum cosmology with spinor field
    Amsterdam : Elsevier
    Chinese Astronomy and Astrophysics 13 (1989), S. 158-164 
    Details
    ISSN: 0275-1062
    Keywords: Cosmology ; Quantum cosmology ; Spinor Field
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0275-1062(89)90019-2
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  • 22
    Electronic Resource
    Electronic Resource
    Cosmic strings: Large-scale mass fluctuations and velocity fields
    Amsterdam : Elsevier
    Chinese Astronomy and Astrophysics 12 (1988), S. 179-185 
    Details
    ISSN: 0275-1062
    Keywords: Cosmology ; cosmic strings ; large-scale structure of the universe
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0275-1062(88)90044-6
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  • 23
    Electronic Resource
    Electronic Resource
    Plane gravitational waves under a non-zero cosmological constant
    Amsterdam : Elsevier
    Chinese Astronomy and Astrophysics 12 (1988), S. 186-190 
    Details
    ISSN: 0275-1062
    Keywords: Cosmology ; radiation of gravitional waves
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0275-1062(88)90045-8
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  • 24
    Electronic Resource
    Electronic Resource
    How well do available data describe the distribution of galaxies in the nearby universe?
    Amsterdam : Elsevier
    Advances in Space Research 3 (1984), S. 407-418 
    Details
    ISSN: 0273-1177
    Keywords: Catalogues ; Clusters of Galaxies ; Cosmology ; Galaxies ; Redshifts
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0273-1177(84)90122-4
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  • 25
    Electronic Resource
    Electronic Resource
    Global value of Hubble constant
    Amsterdam : Elsevier
    Advances in Space Research 3 (1984), S. 435-440 
    Details
    ISSN: 0273-1177
    Keywords: Cosmology ; clusters ; galaxies ; photometry ; redshifts
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0273-1177(84)90125-X
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    Cosmic background radiation from pregalactic objects
    Amsterdam : Elsevier
    Advances in Space Research 3 (1984), S. 449-457 
    Details
    ISSN: 0273-1177
    Keywords: Cosmology ; background radiation ; origin of light elements ; pregalactic stars
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
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    Rocket observation of the near-infrared extragalactic background radiation
    Amsterdam : Elsevier
    Advances in Space Research 3 (1984), S. 469-472 
    Details
    ISSN: 0273-1177
    Keywords: Cosmology ; background radiation ; evolution of the universe ; near-infrared radiation ; rocket observation
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0273-1177(84)90131-5
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    Hindu temples: Models of a fractal universe (1989)
    Springer
    The visual computer 5 (1989), S. 243-258 
    Details
    ISSN: 1432-2315
    Keywords: Fractal geometry ; Cosmology ; Hindu temple architecture ; Visual language
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science
    Notes: Abstract Hindu philosophy views the cosmos to be holonomic and self-similar in nature. According to ancient architectural tradition, Hindu temples are symbols of models of the cosmos and their form represents the cosmos symbolically. The procedures and methods used in the construction of Hindu temples bear a striking resemblance to the procedures of computer graphics, including discretization, fractalization and extensive use of recursive procedures, including self-similar iteration. The instructions given in ancient Vastu shastras (texts on architecture) work like general programmes to generate various types of temples. The paper is an attempt to draw attention to the similarities between the procedures and resulting forms in computer graphics and Hindu temple architecture and to explain the relationship that exists between the form of the temple and the concepts of Hindu philosophy. It is proposed that Hindu temples may be viewed as threedimensional fractal models and that the use of fractal geometry procedures has a special symbolic meaning in the generation of the forms of Hindu temples.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02153753
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    Bounds for mass and rotation of black holes in the observable universe (1995)
    Springer
    Astrophysics and space science 225 (1995), S. 221-226 
    Details
    ISSN: 1572-946X
    Keywords: Black holes ; General relativity ; Cosmology ; Mathematical physics
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The bounds for the energy change rate of a Maxwell field in the outer space of a rotating black hole, calculated by de Vries (1994) and de Vries (1995), enable us to deduce limits for the rotation and the mass of black holes. For this purpose we assume that a certain part of the anisotropies of the cosmic background radiation is due to absorption or superradiance of black holes (Teukolsky, 1973, Starobinskii and Churilov, 1973). The knowledge of these anisotropies yields bounds for rotation and mass of the black holes in the observable universe.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00613236
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    The redshift revisited (1995)
    Springer
    Astrophysics and space science 227 (1995), S. 13-24 
    Details
    ISSN: 1572-946X
    Keywords: Cosmology ; Cosmological Redshift ; History of Cosmology ; Cosmic Background Radiation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We analyse the history of modern cosmology based on the redshift phenomenon and on the cosmic background radiation (CBR). We show the models of different authors for the interpretation of the redshift and how the tired light models predicted the correct value of 2.7 K temperature previous to Gamow and collaborators.
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    URL: http://dx.doi.org/10.1007/BF00678063
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    Cosmology in South Africa (1995)
    Springer
    Astrophysics and space science 230 (1995), S. 237-262 
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    ISSN: 1572-946X
    Keywords: Cosmology ; South Africa
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract This paper reviews research in theoretical cosmology in South Africa, providing an overview of the work that has been done and the groups involved in that work.
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    URL: http://dx.doi.org/10.1007/BF00658184
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    Cosmological variability of fundamental physical constants (1995)
    Springer
    Space science reviews 74 (1995), S. 259-268 
    Details
    ISSN: 1572-9672
    Keywords: Cosmology ; Quasar Spectra ; Physical Constants
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Gamow was one of the pioneers who studied the possible variability of fundamental physical constants. Some versions of modern Grand Unification theories do predict such variability. The paper is concerned with three of the constants: the fine-structure constant α, the ratio of the proton massm p to the electron massm e, and the ratio of the neutron massm n tom e. It is shown on the basis of the quasar spectra analysis, that all the three constants revealed no statistically significant variation over the last 90% of the life time of the Universe. At the 2δ significance level, the following upper bounds are obtained for the epoch corresponding to the cosmological redshiftsz∼2–3: Δα/α〈1.5×10−3, Δm p/m p〈2×10−3, and Δm/m〈3×10−4, where Δx is a possible deviation of a quantityx from its present value,m=m p+m n, and the nucleon masses are in units ofm e. (According to new observational data which became known most recently, Δm p/m p〈2×10−4) In addition a possible anisotropy of the high-redshift fine splitting over the celestial sphere is checked. Within the relative statistical error 3δ 〈 1% the values of α turned out to be the same in various quadrants of the celestial sphere, which corresponds to their equality in causally disconnected areas. However, at the 2δ level a tentative anisotropy of estimated Δα/α values is found in directions that approximately coincide with the direction of the relic microwave background anisotropy. The revealed constraints serve as criteria for selection of those theoretical models which predict variation of α,m p orm n with the cosmological time.
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    Simulations of the microwave sky and of its “observations” (1995)
    Springer
    Space science reviews 74 (1995), S. 37-43 
    Details
    ISSN: 1572-9672
    Keywords: Cosmology ; Microwave Background Anisotropies
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Here follows a preliminary report on the construction of fake millimeter and sub-millimeter skies, as observed by virtual instruments,e.g. the COBRA/SAMBA mission, using theoretical modeling and data extrapolations. Our goal is to create maps as realistic as possible of the relavant physical contributions which may contribute to the detected signals. This astrophysical modeling is followed by simulations of the measurement process itself by a given instrumental configuration. This will enable a precise determination of what can and cannot be achieved with a particular experimental configuration, and provide a feedback on how to improve the overall design. It is a key step on the way to define procedures for the separation of the different physical processes in the future observed maps. Note that this tool will also prove useful in preparing and analyzing current (e.g. balloon borne) Microwave Background experiments.
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    Nonlinear theory of the two-point correlation function (1995)
    Springer
    Space science reviews 74 (1995), S. 471-474 
    Details
    ISSN: 1572-9672
    Keywords: Cosmology ; Gravitation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We consider the influence of the nonlinear stage of gravitational instability on the two-point correlation functions of gravitationally bound objects. Based on the theory of nonlinear gravitational contraction of a single density peak of dissipationless matter (Gurevich and Zybin, 1988a,b; 1990) we develop a method for calculating the two-point correlation functions of different objects of any mass. The method works good in the region of strong correlations and can be easily extended to calculate higher correlation functions. We show that the main contribution to the correlation function ξi in the region of strong correlations ξi ≫ 1 is made by pair systems located outside large clusters of objects. In this region the shape of ξi is determined only by the nonlinear dynamics of gravitational contraction of dissipationless matter and has the form ξi ≈C τ −α, where α≈1.8 is a universal parameter.
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    Big Bang Nucleosynthesis and the Density of Baryons in the Universe (1998)
    Springer
    Space science reviews 84 (1998), S. 3-14 
    Details
    ISSN: 1572-9672
    Keywords: Cosmology ; Nucleosynthesis ; Light Elements
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Now that extragalactic deuterium observations are being made, Big Bang Nucleosynthesis (BBN) is on the verge of undergoing a transformation. Previously, the emphasis was on demonstrating the concordance of the Big Bang Nucleosynthesis model with the abundances of the light isotopes extrapolated back to their primordial values using stellar and Galactic evolution theories. Once the primordial deuterium abundance is converged upon, the nature of the field will shift to using the much more precise primordial D/H to constrain the more flexible stellar and Galactic evolution models (although the question of potential systematic error in 4He abundance determinations remains open). The remarkable success of the theory to date in establishing the concordance has led to the very robust conclusion of BBN regarding the baryon density. The BBN constraints on the cosmological baryon density are reviewed and demonstrate that the bulk of the baryons are dark and also that the bulk of the matter in the universe is non-baryonic. Comparison of baryonic density arguments from Lyman-α clouds, x-ray gas in clusters, and the microwave anisotropy are made and shown to be consistent with the BBN value.
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    URL: http://dx.doi.org/10.1023/A:1005029824824
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    On the Measurements of D/H in QSO Absorption Systems Closing in on the primordial abundance of deuterium (1998)
    Springer
    Space science reviews 84 (1998), S. 65-75 
    Details
    ISSN: 1572-9672
    Keywords: Cosmology ; nucleosynthesis ; abundances ; Quasars: absorption lines
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We present our measurements of the deuterium to hydrogen ratio (D/H) in QSO absorption systems, which give D/H = 3.40 ± 0.25 × 10-5 based on analysis of four independent systems. We discuss the properties of two systems which provide the strongest constraints on D/H. We outline the systematic effects involved in measurements of D/H and introduce a sophisticated method of analysis which properly accounts for these effects.
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    URL: http://dx.doi.org/10.1023/A:1005086310712
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    Deuterium Observations in the Galaxy (1998)
    Springer
    Space science reviews 84 (1998), S. 297-308 
    Details
    ISSN: 1572-9672
    Keywords: Deuterium ; Interstellar Abundance ; Cosmology
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract An accurate measurement of the primordial value of D/H would provide one of the best tests of nucleosynthesis models for the early Universe and the baryon density. Such evaluations have been traditionally made using present estimations of the deuterium abundance in the interstellar medium, extrapolated backwards in time with the use of galactic evolution models. Direct estimations of the primordial deuterium abundance have been carried out only recently in QSOs absorbers at high redshift. We will summarize galactic observations of deuterium and suggest that, perhaps, a single D/H value for the interstellar medium is not representative. These evaluations mainly came from observations completed in the far UV with first the Copernicus satellite over the Lyman lines series followed then by H and D Lyman-alpha lines observations with both the IUE and the GHRS on the Hubble Space Telescope. We discuss different known systematics and show that the situation is not yet clear. It is not possible today to claim that we know "the" D/H value in the interstellar medium, if any. Overall and in the context of additional D observations made in the solar system, we conclude that the actual evolution of deuterium from Big-Bang nucleosynthesis to now is not yet understood. More observations, recently made with IMAPS (the Interstellar Medium Absorption Profile Spectrograph) and hopefully to be made with FUSE (the Far Ultraviolet Spectroscopic Explorer to be launched in the fall of 1998), at higher spectral resolution or in many different galactic sites are certainly needed to help us reach a better global view of the evolution of that key element, and thus better constrain any evaluation of its primordial abundance.
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    URL: http://dx.doi.org/10.1023/A:1005000208411
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    Causal Viscous Cosmological Models With Variable G and Λ (2000)
    Springer
    General relativity and gravitation 32 (2000), S. 607-614 
    Details
    ISSN: 1572-9532
    Keywords: Cosmology ; causal viscous fluid ; variable G and Λ
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Einstein's equations with variable gravitational and cosmological “constants” are considered in the presence of a bulk viscous fluid source described by the truncated causal theory of Israel–Stewart, for the spatially flat homogeneous and isotropic universe. A solution is found in which the cosmological term varies inversely with the square of time. However, the gravitational constant G is found to be increasing with time.
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    URL: http://dx.doi.org/10.1023/A:1001958900592
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    The Case Against Cosmology (2000)
    Springer
    General relativity and gravitation 32 (2000), S. 1125-1134 
    Details
    ISSN: 1572-9532
    Keywords: Cosmology ; observations ; science
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract It is argued that some of the recent claims for cosmology are grossly overblown. Cosmology rests on a very small database: it suffers from many fundamental difficulties as a science (if it is a science at all) whilst observations of distant phenomena are difficult to make and harder to interpret. It is suggested that cosmological inferences should be tentatively made and sceptically received.
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    URL: http://dx.doi.org/10.1023/A:1001981929727
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    Superfluidity and superconductivity in the universe (1969)
    Springer
    Journal of statistical physics 1 (1969), S. 3-24 
    Details
    ISSN: 1572-9613
    Keywords: Superfluidity ; Superconductivity ; Neutron star ; White dwarf ; Cosmology
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The paper aims to elucidate the current status of the problem concerning the existence and observation of superfluid and superconducting states in the universe, that is, under cosmic conditions. Following an introduction, the paper discusses Bose-Einstein condensation, superfluidity, and superconductivity; possibilities for the occurrence of superfluidity and superconductivity under cosmic conditions; superconductivity of dense, degenerate electron plasma (large planets, white dwarfs); superfluidity and superconductivity in neutron stars; and finally superfluidity in a cosmological neutrino “sea.”
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01007238
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    Cosmological models of gamma-ray bursts (1995)
    Springer
    Astrophysics and space science 231 (1995), S. 377-388 
    Details
    ISSN: 1572-946X
    Keywords: Gamma-ray bursts ; Neutron stars ; Cosmology
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We review models of cosmological gamma-ray bursts (GRBs). The statistical and γ-ray transparency issues are summarized. Neutron-star and black-hole merger scenarios are described and estimates of merger rates are summarized. We review the simple fireball models for GRBs and the recent work on non-simple fireballs. Alternative cosmological models, including models where GRBs are analogs of active galactic nuclei and where they are produced by high-field, short period pulsars, are also mentioned. The value of neutrino astronomy to solve the GRB puzzle is briefly reviewed.
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    Gamma-ray burst energy spectra: theoretical models, old and new (1995)
    Springer
    Astrophysics and space science 231 (1995), S. 169-176 
    Details
    ISSN: 1572-946X
    Keywords: Gamma-ray bursts ; Neutron stars ; Cosmology ; Gamma-rays
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The modelling of gamma-ray burst (GRB) spectra has considerable potential for increasing the understanding of these enigmatic sources. A diversity of ideas and analyses has been generated over the last two decades to explain line features and continuum shapes, encompassing both older galactic neutron star and “new age” cosmological source models. This paper reviews some of the highlights of these studies, discussing the merits and limitations of various ideas, and in particular their compatibility with the observational data. The first focus will be on continuum models for GRBs, which include optically thin synchrotron emission and resonant Compton upscattering near galactic neutron stars, while the synchrotron and non-magnetic inverse Compton scattering mechanisms are prominent in the less well-developed cosmological scenarios. Line formation scenarios will then be discussed, in particular the scattering model for producing cyclotron features, which remains the only viable explanation for the Ginga observations of double lines. Absorption-like line production in cosmological burst models is generally difficult, though interesting notions such as femtolensing interference patterns have been proffered.
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    Essay: Chaos in Superstring Cosmology (2000)
    Springer
    General relativity and gravitation 32 (2000), S. 2339-2343 
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    ISSN: 1572-9532
    Keywords: Einstein-Dilaton-Tensor ; Superstring ; Cosmology
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We show that the general solution of the Einstein-Dilaton-antisymmetric-tensors field equations of all superstring theories exhibits a chaotic oscillatory behaviour of the Belinskii-Khalatnikov-Lifshitz type near a cosmological singularity. This result indicates that superstring cosmology is much more complex than is assumed in the scenarios presently discussed in the literature.
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    Causal Dissipative Cosmology With Variable G and Λ (2000)
    Springer
    General relativity and gravitation 32 (2000), S. 615-620 
    Details
    ISSN: 1572-9532
    Keywords: Cosmology ; Israel–Stewart–Hiscock theory ; variable G and Λ
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract A cosmological model with variable G and Λ is considered in the framework of Israel–Stewart–Hiscock (ISH) causal theory. Power law as well as inflationary solutions are obtained. The gravitational constant is found to increase with time.
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    Newtonian and Post-Newtonian Approximations of the k= 0 Friedmann–Robertson–Walker Cosmology (2000)
    Springer
    General relativity and gravitation 32 (2000), S. 719-733 
    Details
    ISSN: 1572-9532
    Keywords: Cosmology ; Newtonian theory
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract In a previous paper [9], we derived a post-Newtonian approximation to cosmology which, in contrast to former Newtonian and post-Newtonian cosmological theories, has a well-posed initial value problem. In this paper, this new post-Newtonian theory is compared with the fully general relativistic theory, in the context of the k= 0 Friedmann–Robertson–Walker cosmology. It is found that the post-Newtonian theory reproduces the results of its general relativistic counterpart, whilst the Newtonian theory does not.
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    The Beauty of General Relativity (1997)
    Springer
    Foundations of science 2 (1997), S. 61-64 
    Details
    ISSN: 1572-8471
    Keywords: General Relativity ; Cosmology ; Black holes ; Nonlinearity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Natural Sciences in General
    Notes: Abstract The author proposes to add another dichotomy to the list of essential tensions proposed by Professor Duda, namely beauty and ugliness. Physicists believe that only beautiful theories describe the world correctly, and that General Relativity is one of the most beautiful physical theories. The author explains why physicists regard this theory as beautiful.
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    New geometric representations of the CMB two-point correlation function (2015)
    American Physical Society (APS)
    Details
    Publication Date: 2015-08-07
    Description: Author(s): Andre L. D. Froes, Thiago S. Pereira, Armando Bernui, and Glenn D. Starkman When searching for deviations of statistical isotropy in the cosmic microwave background, a popular strategy is to write the two-point correlation function (2pcf) as the most general function of four spherical angles (i.e., two unit vectors) in the celestial sphere. Then, using a basis of bipolar sp… [Phys. Rev. D 92, 043508] Published Thu Aug 06, 2015
    Keywords: Cosmology
    Print ISSN: 0556-2821
    Electronic ISSN: 1089-4918
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    Dynamical de Sitter phase and nontrivial holonomy in strongly coupled gauge theories in an expanding universe (2015)
    American Physical Society (APS)
    Details
    Publication Date: 2015-08-19
    Description: Author(s): Ariel R. Zhitnitsky We discuss a new scenario for early cosmology when the inflationary de Sitter phase emerges dynamically. This genuine quantum effect occurs as a result of dynamics of the topologically nontrivial sectors in a strongly coupled QCD-like gauge theory in an expanding universe. We test these ideas by exp… [Phys. Rev. D 92, 043512] Published Tue Aug 18, 2015
    Keywords: Cosmology
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    Traversable wormholes and non-singular black holes from the vacuum of quadratic gravity (2015)
    American Physical Society (APS)
    Details
    Publication Date: 2015-08-25
    Description: Author(s): Francis Duplessis and Damien A. Easson We present new traversable wormhole and nonsingular black hole solutions in pure, scale-free R 2 gravity. These exotic solutions require no null energy condition violating or “exotic” matter and are supported only by the vacuum of the theory. It is well known that f ( R ) theories of gravity may be reca… [Phys. Rev. D 92, 043516] Published Mon Aug 24, 2015
    Keywords: Cosmology
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    Electroweak vacuum angle at finite temperature and implications for baryogenesis (2015)
    American Physical Society (APS)
    Details
    Publication Date: 2015-08-20
    Description: Author(s): Andrew J. Long, Hiren H. Patel, and Mark Trodden We initiate a study of cosmological implications of sphaleron-mediated C P -violation arising from the electroweak vacuum angle under the reasonable assumption that the semiclassical suppression is lifted at finite temperature. In this article, we explore the implications for existing scenarios of bar… [Phys. Rev. D 92, 043513] Published Wed Aug 19, 2015
    Keywords: Cosmology
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    Interacting realization of cosmological singularities with variable vacuum energy (2015)
    American Physical Society (APS)
    Details
    Publication Date: 2015-08-15
    Description: Author(s): Luis P. Chimento and Martín G. Richarte We examine an interacting dark matter variable vacuum energy model for a spatially flat Friedmann-Roberston-Walker spacetime, focusing on the appearance of cosmological singularities such as big rip, big brake, big freeze, and big separation along with abrupt events (infinite γ - singularity and new … [Phys. Rev. D 92, 043511] Published Fri Aug 14, 2015
    Keywords: Cosmology
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    Testing and extending the inflationary consistency relation for tensor modes (2015)
    American Physical Society (APS)
    Details
    Publication Date: 2015-08-04
    Description: Author(s): Latham Boyle, Kendrick M. Smith, Cora Dvorkin, and Neil Turok If observations confirm BICEP2’s claim of a tensor-scalar ratio r ≈ 0.2 on CMB scales, then the inflationary consistency relation n t = − r / 8 predicts a small negative value for the tensor spectral index n t . We show that future CMB polarization experiments should be able to confirm this prediction at seve… [Phys. Rev. D 92, 043504] Published Mon Aug 03, 2015
    Keywords: Cosmology
    Print ISSN: 0556-2821
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    Time asymmetric extensions of general relativity (2015)
    American Physical Society (APS)
    Details
    Publication Date: 2015-08-04
    Description: Author(s): Marina Cortês, Henrique Gomes, and Lee Smolin We describe a class of modified gravity theories that deform general relativity in a way that breaks time reversal invariance and, very mildly, locality. The algebra of constraints, local physical degrees of freedom, and their linearized equations of motion, are unchanged, yet observable effects may… [Phys. Rev. D 92, 043502] Published Mon Aug 03, 2015
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    Improved limits on sterile neutrino dark matter using full-sky Fermi Gamma-ray Burst Monitor data (2015)
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    Publication Date: 2015-08-06
    Description: Author(s): Kenny C. Y. Ng, Shunsaku Horiuchi, Jennifer M. Gaskins, Miles Smith, and Robert Preece Surprisingly stringent bounds on sterile neutrino dark matter are obtained by searching for spectral lines from sterile neutrino dark matter in the 25—40 keV mass range using data from Fermi Gamma-ray Burst Monitor (GBM). The constraints represent an order of magnitude improvement over previous results. [Phys. Rev. D 92, 043503] Published Tue Aug 04, 2015
    Keywords: Cosmology
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    Ruling out thermal dark matter with a black hole induced spiky profile in the M87 galaxy (2015)
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    Publication Date: 2015-08-08
    Description: Author(s): Thomas Lacroix, Céline Bœhm, and Joseph Silk Using the spectral energy distribution of M87, a nearby radio galaxy in the Virgo cluster, and assuming a supermassive black hole induced spike in the dark matter halo profile, we exclude any dark matter candidate with a velocity-independent (s-wave) annihilation cross-section of the order of ⟨ σ v ⟩ ∼ 1… [Phys. Rev. D 92, 043510] Published Fri Aug 07, 2015
    Keywords: Cosmology
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    Microwave background polarization as a probe of large-angle correlations (2015)
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    Publication Date: 2015-06-06
    Description: Author(s): Amanda Yoho, Simone Aiola, Craig J. Copi, Arthur Kosowsky, and Glenn D. Starkman Two-point correlation functions of cosmic microwave background polarization provide a physically independent probe of the surprising suppression of correlations in the cosmic microwave background temperature anisotropies at large angular scales. We investigate correlation functions constructed from ... [Phys. Rev. D 91, 123504] Published Thu Jun 04, 2015
    Keywords: Cosmology
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    Stabilizing the Planck mass shortly after inflation (2015)
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    Publication Date: 2015-06-06
    Description: Author(s): Carsten van de Bruck, Adam Christopherson, and Mathew Robinson We consider a model of the early Universe which consists of two scalar fields: the inflaton and a second field which drives the stabilization of the Planck mass (or gravitational constant). We show that the nonminimal coupling of this second field to the Ricci scalar sources a nonadiabatic pressure ... [Phys. Rev. D 91, 123503] Published Wed Jun 03, 2015
    Keywords: Cosmology
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    Running from features: Optimized evaluation of inflationary power spectra (2015)
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    Publication Date: 2015-08-04
    Description: Author(s): Hayato Motohashi and Wayne Hu In models like axion monodromy, temporal features during inflation which are not associated with its ending can produce scalar, and to a lesser extent, tensor power spectra where deviations from scale-free power law spectra can be as large as the deviations from scale invariance itself. Here the sta… [Phys. Rev. D 92, 043501] Published Mon Aug 03, 2015
    Keywords: Cosmology
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    General analysis of direct dark matter detection: From microphysics to observational signatures (2015)
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    Publication Date: 2015-09-15
    Description: Author(s): James B. Dent, Lawrence M. Krauss, Jayden L. Newstead, and Subir Sabharwal Beginning with a set of simplified models for spin-0, spin- 1 2 , and spin-1 dark matter candidates, we derive the full set of nonrelativistic operators and nuclear matrix elements relevant for direct detection of dark matter and use these to calculate rates and recoil spectra for scattering on various… [Phys. Rev. D 92, 063515] Published Mon Sep 14, 2015
    Keywords: Cosmology
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    Mirror moving in quantum vacuum of a massive scalar field (2015)
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    Publication Date: 2015-09-19
    Description: Author(s): Qingdi Wang and William G. Unruh We present a mirror model moving in the quantum vacuum of a massive scalar field and study its motion under infinitely fluctuating quantum vacuum stress. The model is similar to the one in [Q. Wang and W. G. Unruh, Motion of a mirror under infinitely fluctuating quantum vacuum stress Phys. Rev. D 89 … [Phys. Rev. D 92, 063520] Published Fri Sep 18, 2015
    Keywords: Cosmology
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    Charged Q-balls in gauge mediated SUSY breaking models (2015)
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    Publication Date: 2015-09-19
    Description: Author(s): Jeong-Pyong Hong, Masahiro Kawasaki, and Masaki Yamada It is known that after Affleck-Dine baryogenesis, spatial inhomogeneities of Affleck-Dine field grow into nontopological solitons called Q-balls. In gauge mediated supersymmetry (SUSY) breaking models, sufficiently large Q-balls with baryon charge are stable while Q-balls with lepton charge can alwa… [Phys. Rev. D 92, 063521] Published Fri Sep 18, 2015
    Keywords: Cosmology
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    Cosmological attractors and initial conditions for inflation (2015)
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    Publication Date: 2015-09-19
    Description: Author(s): John Joseph M. Carrasco, Renata Kallosh, and Andrei Linde Inflationary α -attractor models in supergravity, which provide excellent fits to the latest observational data, are based on the Poincaré disk hyperbolic geometry. We refine these models by constructing Kähler potentials with built-in inflaton shift symmetry and by making a canonical choice of the G… [Phys. Rev. D 92, 063519] Published Thu Sep 17, 2015
    Keywords: Cosmology
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    Readout strategies for directional dark matter detection beyond the neutrino background (2015)
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    Publication Date: 2015-09-19
    Description: Author(s): Ciaran A. J. O’Hare, Anne M. Green, Julien Billard, Enectali Figueroa-Feliciano, and Louis E. Strigari The search for weakly interacting massive particles (WIMPs) by direct detection faces an encroaching background due to coherent neutrino-nucleus scattering. As the sensitivity of these experiments improves, the question of how to best distinguish a dark matter signal from neutrinos will become incre… [Phys. Rev. D 92, 063518] Published Thu Sep 17, 2015
    Keywords: Cosmology
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    Evolution of cosmological perturbations and the production of non-Gaussianities through a nonsingular bounce: Indications for a no-go theorem in single field matter bounce cosmologies (2015)
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    Publication Date: 2015-09-29
    Description: Author(s): Jerome Quintin, Zeinab Sherkatghanad, Yi-Fu Cai, and Robert H. Brandenberger Assuming that curvature perturbations and gravitational waves originally arise from vacuum fluctuations in a matter-dominated phase of contraction, we study the dynamics of the cosmological perturbations evolving through a nonsingular bouncing phase described by a generic single scalar field Lagrang… [Phys. Rev. D 92, 063532] Published Fri Sep 25, 2015
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    Entropy production by domain wall decay in the NMSSM (2015)
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    Publication Date: 2015-11-26
    Description: Author(s): Hironori Hattori, Tatsuo Kobayashi, Naoya Omoto, and Osamu Seto We consider domain walls in the Z 3 symmetric next-to-minimal supersymmetric standard model. The spontaneous Z 3 discrete symmetry breaking produces domain walls, and the stable domain walls are problematic. Thus, we assume the Z 3 symmetry is slightly but explicitly broken and the domain walls decay. … [Phys. Rev. D 92, 103518] Published Tue Nov 24, 2015
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    Symplectic gauge fields and dark matter (2015)
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    Publication Date: 2015-11-26
    Description: Author(s): J. Asorey, M. Asorey, and D. García-Álvarez The dynamics of symplectic gauge fields provides a consistent framework for fundamental interactions based on spin-3 gauge fields. One remarkable property is that symplectic gauge fields only have minimal couplings with gravitational fields and not with any other field of the Standard Model. Interac… [Phys. Rev. D 92, 103517] Published Mon Nov 23, 2015
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    LUX likelihood and limits on spin-independent and spin-dependent WIMP couplings with LUXCalc (2015)
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    Publication Date: 2015-11-26
    Description: Author(s): Christopher Savage, Andre Scaffidi, Martin White, and Anthony G. Williams We present LUXCalc, a new utility for calculating likelihoods and deriving weakly interacting massive particle (WIMP)-nucleon coupling limits from the recent results of the LUX direct search dark matter experiment. After a brief review of WIMP-nucleon scattering, we derive LUX limits on the spin-dep… [Phys. Rev. D 92, 103519] Published Mon Nov 23, 2015
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    Galaxy power spectrum in redshift space: Combining perturbation theory with the halo model (2015)
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    Publication Date: 2015-11-20
    Description: Author(s): Teppei Okumura, Nick Hand, Uroš Seljak, Zvonimir Vlah, and Vincent Desjacques Theoretical modeling of the redshift-space power spectrum of galaxies is crucially important to correctly extract cosmological information from galaxy redshift surveys. The task is complicated by the nonlinear biasing and redshift space distortion (RSD) effects, which change with halo mass, and by t… [Phys. Rev. D 92, 103516] Published Thu Nov 19, 2015
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    Cosmological perturbations and quasistatic assumption in f(R) theories (2015)
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    Publication Date: 2015-11-19
    Description: Author(s): Mu-Chen Chiu, Andy Taylor, Chenggang Shu, and Hong Tu f ( R ) gravity is one of the simplest theories of modified gravity to explain the accelerated cosmic expansion. Although it is usually assumed that the quasi-Newtonian approach (a combination of the quasistatic approximation and sub-Hubble limit) for cosmic perturbations is good enough to describe the… [Phys. Rev. D 92, 103514] Published Wed Nov 18, 2015
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    K-mouflage effects on clusters of galaxies (2015)
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    Publication Date: 2015-08-27
    Description: Author(s): Philippe Brax, Luca Alberto Rizzo, and Patrick Valageas We investigate the effects of a K-mouflage modification of gravity on the dynamics of clusters of galaxies. We extend the description of K-mouflage to situations where the scalar field responsible for the modification of gravity is coupled to a perfect fluid with pressure. We describe the coupled sy… [Phys. Rev. D 92, 043519] Published Wed Aug 26, 2015
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    Thermodynamic aspects of dark energy fluids (2015)
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    Publication Date: 2015-10-27
    Description: Author(s): Edésio M. Barboza, Jr., Rafael C. Nunes, Everton M. C. Abreu, and Jorge Ananias Neto In this paper we investigate the limits imposed by thermodynamics on a dark energy fluid. We obtain the heat capacities and the compressibilities for a dark energy fluid. The thermal and mechanical stabilities require these quantities to be positive. We show that dark energy fluids must satisfy the … [Phys. Rev. D 92, 083526] Published Mon Oct 26, 2015
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    Stellar convective cores as dark matter probes (2015)
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    Publication Date: 2015-05-29
    Description: Author(s): Jordi Casanellas, Isa Brandão, and Yveline Lebreton The recent detection of a convective core in a main-sequence solar-type star is used here to test particular models of dark matter (DM) particles, those with masses and scattering cross sections in the range of interest for the DM interpretation of the positive results in several DM direct detection... [Phys. Rev. D 91, 103535] Published Wed May 27, 2015
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    Inflection point inflation and dark energy in supergravity (2015)
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    Publication Date: 2015-06-02
    Description: Author(s): Tie-Jun Gao and Zong-Kuan Guo We consider an inflection point inflationary model in supergravity with a single chiral superfield and show that the predicted values of the scalar spectral index and tensor-to-scalar ratio are consistent with the Planck 2015 results. In this model supersymmetry is strongly broken after inflation, w... [Phys. Rev. D 91, 123502] Published Mon Jun 01, 2015
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    Testing typicality in multiverse cosmology (2015)
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    Publication Date: 2015-05-29
    Description: Author(s): Feraz Azhar In extracting predictions from theories that describe a multiverse, we face the difficulty that we must assess probability distributions over possible observations prescribed not just by an underlying theory, but by a theory together with a conditionalization scheme that allows for (anthropic) selec... [Phys. Rev. D 91, 103534] Published Wed May 27, 2015
    Keywords: Cosmology
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    Phenomenology of dark matter via a bimetric extension of general relativity (2015)
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    Publication Date: 2015-05-29
    Description: Author(s): Laura Bernard and Luc Blanchet We propose a relativistic model of dark matter reproducing at once the concordance cosmological model Λ -cold-dark-matter ( Λ − CDM ) at cosmological scales and the phenomenology of the modified Newtonian dynamics (MOND) at galactic scales. To achieve this we postulate a nonstandard form of dark matter, ... [Phys. Rev. D 91, 103536] Published Wed May 27, 2015
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    Vacuum fluctuations of a scalar field during inflation: Quantum versus stochastic analysis (2015)
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    Publication Date: 2015-05-30
    Description: Author(s): V. K. Onemli We consider an infrared truncated massless minimally coupled scalar field with a quartic self-interaction in the locally de Sitter background of an inflating universe. We compute the two-point correlation function of the scalar at one- and two-loop order applying quantum field theory. The tree-order... [Phys. Rev. D 91, 103537] Published Fri May 29, 2015
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    Post-Newtonian cosmological modelling (2015)
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    Publication Date: 2015-05-27
    Description: Author(s): Viraj A. A. Sanghai and Timothy Clifton We develop a new approach to building cosmological models, in which small pieces of perturbed Minkowski space are joined together at reflection-symmetric boundaries in order to form a global, dynamical space-time. Each piece of this patchwork universe is described using post-Newtonian gravitational ... [Phys. Rev. D 91, 103532] Published Tue May 26, 2015
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    Inflation from asymptotically safe theories (2015)
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    Publication Date: 2015-05-27
    Description: Author(s): Niklas Grønlund Nielsen, Francesco Sannino, and Ole Svendsen We investigate models in which inflation is driven by an ultraviolet safe and interacting scalar sector stemming from a new class of nonsupersymmetric gauge field theories. These new theories, different from generic scalar models, are well defined to arbitrary short distances because of the existenc... [Phys. Rev. D 91, 103521] Published Wed May 20, 2015
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    Implications of a primordial magnetic field for magnetic monopoles, axions, and Dirac neutrinos (2015)
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    Publication Date: 2015-05-27
    Description: Author(s): Andrew J. Long and Tanmay Vachaspati We explore some particle physics implications of the growing evidence for a helical primordial magnetic field (PMF). From the interactions of magnetic monopoles and the PMF, we derive an upper bound on the monopole number density, n ( t 0 ) 〈 1 × 10 − 20     cm − 3 , which is a “primordial” analog of the Parker ... [Phys. Rev. D 91, 103522] Published Wed May 20, 2015
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    Probing WIMP particle physics and astrophysics with direct detection and neutrino telescope data (2015)
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    Publication Date: 2015-05-27
    Description: Author(s): Bradley J. Kavanagh, Mattia Fornasa, and Anne M. Green With positive signals from multiple direct detection experiments, it will, in principle, be possible to measure the mass and cross sections of weakly interacting massive particle (WIMP) dark matter. Recent work has shown that, with a polynomial parametrization of the WIMP speed distribution, it is p... [Phys. Rev. D 91, 103533] Published Tue May 26, 2015
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    Nonuniqueness of classical inflationary trajectories on a high-dimensional landscape (2015)
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    Publication Date: 2015-05-27
    Description: Author(s): Junyu Liu, Yi Wang, and Siyi Zhou Motivated by the string landscape, the inflationary potential may be high dimensional and complicated. We propose a new way to construct some high-dimensional random potentials, and simulate inflationary dynamics on top of that, for up to 50 dimensions in field space. Especially, random bifurcations... [Phys. Rev. D 91, 103525] Published Thu May 21, 2015
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    Hamiltonian formulation of mimetic gravity (2015)
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    Publication Date: 2015-05-27
    Description: Author(s): O. Malaeb The Hamiltonian formulation of mimetic gravity is formulated. Although there are two more equations than those of general relativity, these are proved to be the constraint equation and the conservation of the energy-momentum tensor. The Poisson brackets are then computed and closure is proved. At th... [Phys. Rev. D 91, 103526] Published Thu May 21, 2015
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    Halo Zel’dovich model and perturbation theory: Dark matter power spectrum and correlation function (2015)
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    Publication Date: 2015-06-12
    Description: Author(s): Uroš Seljak and Zvonimir Vlah Perturbation theory for dark matter clustering has received a lot of attention in recent years, but its convergence properties remain poorly justified and there is no successful model that works both for correlation functions and for power spectra. Here we present the halo Zel’dovich approach combin... [Phys. Rev. D 91, 123516] Published Thu Jun 11, 2015
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    Nonlinear hydrodynamics of axion dark matter: Relative velocity effects and quantum forces (2015)
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    Publication Date: 2015-06-13
    Description: Author(s): David J. E. Marsh The nonlinear hydrodynamic equations for axion/scalar field dark matter (DM) in the nonrelativistic Madelung-Shcrödinger form are derived in a simple manner, including the effects of universal expansion and Hubble drag. The hydrodynamic equations are used to investigate the relative velocity between... [Phys. Rev. D 91, 123520] Published Fri Jun 12, 2015
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    Improved cosmological model fitting of Planck data with a dark energy spike (2015)
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    Publication Date: 2015-06-13
    Description: Author(s): Chan-Gyung Park The Λ cold dark matter ( Λ CDM ) model is currently known as the simplest cosmology model that best describes observations with a minimal number of parameters. Here we introduce a cosmology model that is preferred over the conventional Λ CDM one by constructing dark energy as the sum of the cosmological... [Phys. Rev. D 91, 123519] Published Fri Jun 12, 2015
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    Looking for non-Gaussianity in all the right places: A new basis for nonseparable bispectra (2015)
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    Publication Date: 2015-06-13
    Description: Author(s): Joyce Byun, Nishant Agarwal, Rachel Bean, and Richard Holman Non-Gaussianity in the distribution of inflationary perturbations, measurable in statistics of the cosmic microwave background (CMB) and large scale structure fluctuations, can be used to probe nontrivial initial quantum states for these perturbations. The bispectrum shapes predicted for generic non... [Phys. Rev. D 91, 123518] Published Fri Jun 12, 2015
    Keywords: Cosmology
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    Can modified gravity models reconcile the tension between the CMB anisotropy and lensing maps in Planck-like observations? (2015)
    American Physical Society (APS)
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    Publication Date: 2015-06-13
    Description: Author(s): Bin Hu and Marco Raveri Planck -2015 data seem to favor a large value of the lensing amplitude parameter, A L = 1.22 ± 0.10 , in CMB spectra. This result is in 2 σ tension with the lensing reconstruction result, A L ϕ ϕ = 0.95 ± 0.04 . In this paper, we simulate several CMB anisotropy and CMB lensing spectra based on Planck -2015 best-fit ... [Phys. Rev. D 91, 123515] Published Thu Jun 11, 2015
    Keywords: Cosmology
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  • 88
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    Warm Chaplygin inflation in loop quantum cosmology in light of Planck data (2015)
    American Physical Society (APS)
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    Publication Date: 2015-06-13
    Description: Author(s): M. R. Setare and V. Kamali The warm Chaplygin inflationary universe model in the context of the effective field theory of loop quantum cosmology (LQC) is studied. In the slow-roll phase of inflation primordial perturbation spectrums, tensor-to-scalar ratio and spectral indices of our model are presented. Using chaotic potenti... [Phys. Rev. D 91, 123517] Published Thu Jun 11, 2015
    Keywords: Cosmology
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  • 89
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    New constraints on interacting dark energy from cosmic chronometers (2016)
    American Physical Society (APS)
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    Publication Date: 2016-07-09
    Description: Author(s): Rafael C. Nunes, Supriya Pan, and Emmanuel N. Saridakis We use the latest compilation of observational Hubble parameter measurements estimated with the differential evolution of cosmic chronometers, in combination with the local value of the Hubble constant recently measured with 2.4% precision, to constrain the cosmological scenario where dark energy in… [Phys. Rev. D 94, 023508] Published Thu Jul 07, 2016
    Keywords: Cosmology
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  • 90
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    Diffusion of dark matter in a hot and dense nuclear environment (2016)
    American Physical Society (APS)
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    Publication Date: 2016-07-09
    Description: Author(s): Marina Cermeño, M. Ángeles Pérez-García, and Joseph Silk We calculate the mean free path in a hot and dense nuclear environment for a fermionic dark matter particle candidate in the ∼ GeV mass range interacting with nucleons via scalar and vector effective couplings. We focus on the effects of density and temperature in the nuclear medium in order to evalu… [Phys. Rev. D 94, 023509] Published Thu Jul 07, 2016
    Keywords: Cosmology
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  • 91
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    Supersymmetric chameleons and ultralocal models (2016)
    American Physical Society (APS)
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    Publication Date: 2016-07-13
    Description: Author(s): Philippe Brax, Luca Alberto Rizzo, and Patrick Valageas Super-chameleon models where all types of matter belong to three secluded sectors, i.e. the dark, supersymmetry breaking and matter sectors, are shown to be dynamically equivalent to ultralocal models of modified gravity. In the dark sector, comprising both dark matter and dark energy, the interacti… [Phys. Rev. D 94, 023512] Published Tue Jul 12, 2016
    Keywords: Cosmology
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  • 92
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    Searching for cosmological signatures of the Einstein equivalence principle breaking (2016)
    American Physical Society (APS)
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    Publication Date: 2016-07-29
    Description: Author(s): R. F. L. Holanda and K. N. N. O. Barros Modifications of gravity generated by a multiplicative coupling of a scalar field to the electromagnetic Lagrangian lead to a breaking of the Einstein equivalence principle (EEPB), as well as to variations of fundamental constants. In these theoretical frameworks, deviations of standard values of th… [Phys. Rev. D 94, 023524] Published Thu Jul 28, 2016
    Keywords: Cosmology
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  • 93
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    Cosmological solutions of f(T) gravity (2016)
    American Physical Society (APS)
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    Publication Date: 2016-07-29
    Description: Author(s): Andronikos Paliathanasis, John D. Barrow, and P. G. L. Leach In the cosmological scenario in f ( T ) gravity, we find analytical solutions for an isotropic and homogeneous universe containing a dust fluid and radiation and for an empty anisotropic Bianchi I universe. The method that we apply is that of movable singularities of differential equations. For the iso… [Phys. Rev. D 94, 023525] Published Thu Jul 28, 2016
    Keywords: Cosmology
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    Bayesian analysis of inflationary features in Planck and SDSS data (2016)
    American Physical Society (APS)
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    Publication Date: 2016-07-29
    Description: Author(s): Micol Benetti and Jailson S. Alcaniz We perform a Bayesian analysis to study possible features in the primordial inflationary power spectrum of scalar perturbations. In particular, we analyze the possibility of detecting the imprint of these primordial features in the anisotropy temperature power spectrum of the cosmic microwave backgr… [Phys. Rev. D 94, 023526] Published Thu Jul 28, 2016
    Keywords: Cosmology
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  • 95
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    Dark matter component decaying after recombination: Lensing constraints with Planck data (2016)
    American Physical Society (APS)
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    Publication Date: 2016-07-30
    Description: Author(s): A. Chudaykin, D. Gorbunov, and I. Tkachev It has been recently suggested [Z. Berezhiani, A. D. Dolgov, and I. I. Tkachev, Phys. Rev. D 92 , 061303 (2015)] that emerging tension between cosmological parameter values derived in high-redshift (CMB anisotropy) and low-redshift (cluster counts, Hubble constant) measurements can be reconciled in a… [Phys. Rev. D 94, 023528] Published Fri Jul 29, 2016
    Keywords: Cosmology
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  • 96
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    Inflation and the quantum measurement problem (2016)
    American Physical Society (APS)
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    Publication Date: 2016-08-04
    Description: Author(s): Stephon Alexander, Dhrubo Jyoti, and João Magueijo We propose a solution to the quantum measurement problem in inflation. Our model treats Fourier modes of cosmological perturbations as analogous to particles in a weakly interacting Bose gas. We generalize the idea of a macroscopic wave function to cosmological fields, and construct a self-interacti… [Phys. Rev. D 94, 043502] Published Wed Aug 03, 2016
    Keywords: Cosmology
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  • 97
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    Real space CMB temperature and polarization formulas (2016)
    American Physical Society (APS)
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    Publication Date: 2016-08-06
    Description: Author(s): M. Landriau I derive formulas for the real space CMB temperature and polarization by solving the first order Boltzmann equation for the Stokes parameters I , Q and U . [Phys. Rev. D 94, 043504] Published Fri Aug 05, 2016
    Keywords: Cosmology
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    Constraints on dark-matter properties from large-scale structure (2016)
    American Physical Society (APS)
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    Publication Date: 2016-07-09
    Description: Author(s): Martin Kunz, Savvas Nesseris, and Ignacy Sawicki We use large-scale cosmological observations to place constraints on the dark-matter pressure, sound speed and viscosity and infer a limit on the mass of warm-dark-matter particles. Measurements of the cosmic microwave background anisotropies constrain the equation of state and sound speed of the da… [Phys. Rev. D 94, 023510] Published Fri Jul 08, 2016
    Keywords: Cosmology
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  • 99
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    Class of solutions of the Wheeler-DeWitt equation in the Friedmann-Robertson-Walker universe (2016)
    American Physical Society (APS)
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    Publication Date: 2016-07-12
    Description: Author(s): H. S. Vieira and V. B. Bezerra We show that the solutions of the Wheeler-DeWitt equation in a homogeneous and isotropic universe are given by triconfluent Heun functions for the spatially closed, flat, and open geometries of the Friedmann-Robertson-Walker universe filled with different forms of energy. In a matter-dominated unive… [Phys. Rev. D 94, 023511] Published Mon Jul 11, 2016
    Keywords: Cosmology
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  • 100
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    Determining the progenitors of merging black-hole binaries (2016)
    American Physical Society (APS)
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    Publication Date: 2016-07-20
    Description: Author(s): Alvise Raccanelli, Ely D. Kovetz, Simeon Bird, Ilias Cholis, and Julian B. Muñoz We investigate a possible method for determining the progenitors of black-hole (BH) mergers observed via their gravitational wave (GW) signal. We argue that measurements of the cross-correlation of the GW events with overlapping galaxy catalogs may provide an additional tool in determining if BH mer… [Phys. Rev. D 94, 023516] Published Tue Jul 19, 2016
    Keywords: Cosmology
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