Search Results - "Odintsov, S. D"
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Covariant generalized holographic dark energy and accelerating universe
Published in The European physical journal. C, Particles and fields (01-08-2017)“…We propose the generalized holographic dark energy model where the infrared cutoff is identified with the combination of the FRW universe parameters: the…”
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Singular inflationary universe from F ( R ) gravity
Published in Physical review. D, Particles, fields, gravitation, and cosmology (11-12-2015)Get full text
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Spherically symmetric black holes with electric and magnetic charge in extended gravity: physical properties, causal structure, and stability analysis in Einstein’s and Jordan’s frames
Published in The European physical journal. C, Particles and fields (01-02-2020)“…Novel static black hole solutions with electric and magnetic charges are derived for the class of modified gravities: f ( R ) = R + 2 β R , with or without a…”
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Trace-anomaly driven inflation in modified gravity and the BICEP2 result
Published in Physical review. D, Particles, fields, gravitation, and cosmology (06-08-2014)“…We explore conformal-anomaly driven inflation in F(R) gravity without invoking the scalar-tensor representation. We derive the stress-energy tensor of the…”
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Viable inflationary models in a ghost-free Gauss–Bonnet theory of gravity
Published in The European physical journal. C, Particles and fields (01-07-2019)“…In this work we investigate the inflationary phenomenological implications of a recently developed ghost-free Gauss–Bonnet theory of gravity. The resulting…”
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Hamiltonian dynamics and Noether symmetries in Extended Gravity Cosmology
Published in The European physical journal. C, Particles and fields (01-07-2012)“…We discuss the Hamiltonian dynamics for cosmologies coming from Extended Theories of Gravity. In particular, minisuperspace models are taken into account…”
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Viable non-singular cosmic bounce in holonomy improved F(R) gravity endowed with a Lagrange multiplier
Published in The European physical journal. C, Particles and fields (2020)“…Matter and quasi-matter bounce scenarios are studied for an F(R) gravity model with holonomy corrections and a Lagrange multiplier, with a scale factor a ( t )…”
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Anisotropic compact stars in higher-order curvature theory
Published in The European physical journal. C, Particles and fields (01-06-2021)“…In this paper we shall consider spherically symmetric spacetime solutions describing the interior of stellar compact objects, in the context of higher-order…”
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Mimetic F(R) inflation confronted with Planck and BICEP2/Keck Array data
Published in Astrophysics and space science (01-05-2016)“…In this paper we demonstrate that in the context of mimetic F ( R ) gravity with Lagrange multiplier, it is possible to realize cosmologies which are…”
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Bouncing loop quantum cosmology in Gauss-Bonnet gravity
Published in Physical review. D, Particles, fields, gravitation, and cosmology (11-12-2015)“…We develop an effective Gauss-Bonnet extension of loop quantum cosmology, by introducing holonomy corrections in modified F(G) theories of gravity. Within the…”
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Numerical solutions of the modified Lane–Emden equation in f(R)-gravity
Published in Monthly notices of the Royal Astronomical Society (21-05-2014)“…The modified Lane-Emden equation for stellar hydrostatic equilibrium in f(R)-gravity is numerically solved by using an iterative procedure. Such an…”
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Singular accelerated evolution in massive F ( R ) bigravity
Published in Physical review. D, Particles, fields, gravitation, and cosmology (23-12-2015)Get full text
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Unified phantom cosmology: Inflation, dark energy and dark matter under the same standard
Published in Physics letters. B (26-01-2006)“…Phantom cosmology allows to account for dynamics and matter content of the universe tracing back the evolution to the inflationary epoch, considering the…”
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Unifying inflation with dark energy in modified F(R) Hořava–Lifshitz gravity
Published in The European physical journal. C, Particles and fields (01-11-2010)“…We study FRW cosmology for a non-linear modified F ( R ) Hořava–Lifshitz gravity which has a viable convenient counterpart. A unified description of early-time…”
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Dark energy: the equation of state description versus scalar-tensor or modified gravity
Published in Physics letters. B (09-03-2006)“…Dark energy dynamics of the universe can be achieved by equivalent mathematical descriptions taking into account generalized fluid equations of state in…”
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Oscillations of the F(R) dark energy in the accelerating universe
Published in The European physical journal. C, Particles and fields (01-02-2012)“…Oscillations of the F ( R ) dark energy around the phantom divide line, ω DE =−1, both during the matter era and also in the de Sitter epoch are investigated…”
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Did the Universe experience a pressure non-crushing type cosmological singularity in the recent past?
Published in Europhysics letters (01-02-2022)“…In the recent literature it has been shown that the H 0 tension may be eliminated if an abrupt physics transition changed the Cepheid parameters in the near…”
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Aspects of axion F(R) gravity
Published in Europhysics letters (01-02-2020)“…We provide a compact review on recent developments on axion F(R) gravity. The axion field is a string-theory-originated theoretical particle that is a perfect…”
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U(1) Invariant F(R) Hořava―Lifshitz gravity
Published in The European physical journal. C, Particles and fields (01-07-2011)“…This paper is devoted to the study of various aspects of projectable F(R) Horava-Lifshitz (HL) gravity. We show that some versions of F(R) HL gravity may have…”
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Finite-time singularities in swampland-related dark-energy models
Published in Europhysics letters (01-04-2019)“…In this work we shall investigate the singularity structure of the phase space corresponding to an exponential quintessence dark-energy model recently related…”
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