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

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arxiv 1302.2140 v1 pith:JJKQXRLB submitted 2013-02-08 astro-ph.CO gr-qchep-th

Alexey S. Koshelev This is my paper · ORCID
classification astro-ph.COgr-qchep-th
keywords analyticbouncebouncingnon-localstableactionargueconsider
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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 this type 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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Cited by 1 Pith paper

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  1. Autonomous Dynamical System of Einstein-Gauss-Bonnet Cosmologies

    gr-qc 2019-08 conditional novelty 4.0 of 10

    A phase space analysis of Einstein-Gauss-Bonnet cosmology finds a stable equilibrium and a heteroclinic orbit, but the equilibrium requires the Gauss-Bonnet coupling to vanish and the orbit violates the Friedmann constraint.

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