4.7 Article

Gauss-Bonnet term corrections in scalar field cosmology

Journal

EUROPEAN PHYSICAL JOURNAL C
Volume 80, Issue 12, Pages -

Publisher

SPRINGER
DOI: 10.1140/epjc/s10052-020-08718-w

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Funding

  1. RFBR [20-02-00280 A]

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The influence of non-minimal coupling of a scalar field and the Gauss-Bonnet term on the inflationary stage of evolution of the universe is investigated in this paper. The main cosmological effects of such a coupling were considered. The deviations between Einstein-Gauss-Bonnet inflation and standard one based on Einstein gravity were determined. The corrections of a weak GB coupling preserving the type of the scalar field potential to standard inflationary models is considered as well.

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