Gauss-Bonnet term corrections in scalar field cosmology

被引：35

作者：

Fomin, Igor ^{[1
]}

机构：

[1] Bauman Moscow State Tech Univ, Dept Phys, Moscow 105005, Russia

来源：

EUROPEAN PHYSICAL JOURNAL C | 2020年 / 80卷 / 12期

关键词：

PARTICLE PHYSICS MODELS; MODIFIED GRAVITY; INFLATIONARY UNIVERSE; PARAMETERS; FLATNESS; HORIZON;

D O I：

10.1140/epjc/s10052-020-08718-w

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

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.

引用

页数：16

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