Search Results - "Dolgov, A.D."
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1
Massive photons and electrically charged black holes
Published in Physics letters. B (10-11-2020)“…The characteristic time of disappearance of electric field in massive electrodynamics during the capture of electric charge by black holes is calculated. It is…”
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2
Can modified gravity explain accelerated cosmic expansion?
Published in Physics letters. B (30-10-2003)“…We show that the recently suggested explanations of cosmic acceleration by the modification of gravity at small curvature suffer violent instabilities and…”
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3
Intrinsic problems of the gravitational baryogenesis
Published in Physics letters. B (10-06-2017)“…Modification of gravity due to the curvature dependent term in the gravitational baryogenesis scenario is considered. It is shown that this term leads to the…”
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4
Jeans instability in classical and modified gravity
Published in Physics letters. B (12-12-2014)“…Gravitational instability in classical Jeans theory, General Relativity, and modified gravity is considered. The background density increase leads to a faster…”
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5
Problems with the sources of the observed gravitational waves and their resolution
Published in EPJ Web of Conferences (01-01-2017)“…Recent direct registration of gravitational waves by LIGO and astronomical observations of the universe at redshifts 5-10 demonstrate that the standard…”
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Journal Article Conference Proceeding -
6
Antimatter in the universe and laboratory
Published in EPJ Web of Conferences (01-01-2015)“…Possible signatures which may indicate an existence of antimatter in the Galaxy and in the early universe are reviewed. A model which could give rise to…”
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Journal Article Conference Proceeding -
7
Three P’s in Cosmology: Progress, Problems, and Perspectives
Published in EPJ Web of conferences (01-01-2014)“…A review on the development of cosmology for a diverse audience is presented. The first historical part is devoted to the works done half a century ago with an…”
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8
Domain Walls in the Early Universe and Generation of Matter and Antimatter Domains
Published in EPJ Web of Conferences (01-01-2018)“…We present a model where it is possible to generate cosmologically large domains of matter and antimatter separated by cosmologically large distances. Domain…”
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9
Evolution of a domain wall in expanding universe: inflation and after it
Published in EPJ Web of conferences (01-01-2018)“…We study the evolution of thick domain walls in the expanding universe. We have found that the domain wall evolution crucially depends on the time-dependent…”
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10
Asymmetric inflationary reheating and the nature of mirror universe
Published in Physics letters. B (16-05-1996)“…The existence of a shadow world (or mirror universe) with matter and forces identical to that of the visible world but interacting with the latter only via…”
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11
Domain Walls and Matter-Antimatter Domains in the Early Universe
Published in EPJ Web of Conferences (01-01-2017)“…We suggest a scenario of spontaneous (or dynamical) C and CP violation according to which it is possible to generate domains of matter and antimatter separated…”
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Journal Article Conference Proceeding -
12
Non-equilibrium corrections to the spectra of massless neutrinos in the early universe
Published in Nuclear physics. B (13-10-1997)“…Distortion of the equilibrium spectra of cosmic neutrinos due to interaction with hotter electrons and positrons in the primeval cosmic plasma is considered…”
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13
Do neutrino flavor oscillations forbid large lepton asymmetry of the universe?
Published in Nuclear physics. B (07-06-2004)“…It is shown that hypothetical neutrino–majoron coupling can suppress neutrino flavor oscillations in the early universe, in contrast to the usual weak…”
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14
Generation of large scale magnetic fields at recombination epoch
Published in Astroparticle physics (01-04-2004)“…It is argued that large scale cosmic magnetic field could be generated in the primeval plasma slightly before hydrogen recombination. Non-zero vorticity,…”
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15
Cosmological and astrophysical bounds on a heavy sterile neutrino and the KARMEN anomaly
Published in Nuclear physics. B (31-07-2000)“…Constraints on the lifetime of the heavy sterile neutrino, that was proposed as a possible interpretation of the KARMEN anomaly, are derived from primordial…”
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16
Non-equilibrium corrections to the spectra of massless neutrinos in the early universe
Published in Nuclear physics. B (22-03-1999)“…We repeat our previous calculation of the spectrum distortion of massless neutrinos in the early universe with a considerably better accuracy and corrected for…”
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17
Inhomogeneous baryogenesis, cosmic antimatter, and dark matter
Published in Nuclear physics. B (21-01-2009)“…A model of inhomogeneous baryogenesis based on the Affleck and Dine mechanism is described. A simple coupling of the scalar baryon field to the inflaton allows…”
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18
Evaporation of charged bosonic condensate in cosmology
Published in Astroparticle physics (01-12-2005)“…Cosmological evolution of equilibrium plasma with a condensate of U(1)-charged bosonic field is considered. It is shown that the evaporation of the condensate…”
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19
Neutrinos in cosmology
Published in Physics reports (01-11-2002)“…Cosmological implications of neutrinos are reviewed. The following subjects are discussed at a different level of scrutiny: cosmological limits on neutrino…”
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20
Antimatter in the universe and laboratory
Published in EPJ Web of conferences (01-01-2015)“…Possible signatures which may indicate an existence of antimatter in the Galaxy and in the early universe are reviewed. A model which could give rise to…”
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Journal Article