Stable analytic bounce in non-local Einstein-Gauss-Bonnet cosmology

Alexey Koshelev

Stable analytic bounce in non-local Einstein-Gauss-Bonnet cosmology

Alexey Koshelev

Research output: Contribution to journal › Article › peer-review

60 Citations (Scopus)

Abstract

We consider the most general quadratic in curvature stringy-motivated non-local action for the modified Einstein's gravity. We present exact analytic cosmological solutions including the bouncing ones and develop the relevant techniques for the further study of these types of models. We also elaborate on the perturbation formalism and argue that the found bouncing solution is stable during the bounce phase.

Original language	English
Pages (from-to)	155001
Journal	Classical and Quantum Gravity
Volume	30
Issue number	15
Publication status	Published - 7 Aug 2013

Keywords

field-theory models of the early Universe
Relativity and gravitation
Fundamental problems and general formalism
Exact solutions

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SRP8: Strategic Research Programme: High-Energy Physics at the VUB
D'Hondt, J. (Administrative Promotor), Van Eijndhoven, N. (Co-Promotor), Craps, B. (Co-Promotor) & Buitink, S. (Co-Promotor)
1/11/12 → 31/10/24
Project: Fundamental

Cite this

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title = "Stable analytic bounce in non-local Einstein-Gauss-Bonnet cosmology",

abstract = "We consider the most general quadratic in curvature stringy-motivated non-local action for the modified Einstein's gravity. We present exact analytic cosmological solutions including the bouncing ones and develop the relevant techniques for the further study of these types of models. We also elaborate on the perturbation formalism and argue that the found bouncing solution is stable during the bounce phase.",

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N2 - We consider the most general quadratic in curvature stringy-motivated non-local action for the modified Einstein's gravity. We present exact analytic cosmological solutions including the bouncing ones and develop the relevant techniques for the further study of these types of models. We also elaborate on the perturbation formalism and argue that the found bouncing solution is stable during the bounce phase.

AB - We consider the most general quadratic in curvature stringy-motivated non-local action for the modified Einstein's gravity. We present exact analytic cosmological solutions including the bouncing ones and develop the relevant techniques for the further study of these types of models. We also elaborate on the perturbation formalism and argue that the found bouncing solution is stable during the bounce phase.

KW - field-theory models of the early Universe

KW - Relativity and gravitation

KW - Fundamental problems and general formalism

KW - Exact solutions

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VL - 30

SP - 155001

JO - Classical and Quantum Gravity

JF - Classical and Quantum Gravity

IS - 15

ER -

Stable analytic bounce in non-local Einstein-Gauss-Bonnet cosmology

Abstract

Keywords

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Projects

SRP8: Strategic Research Programme: High-Energy Physics at the VUB

Cite this