<mml:msup>ℛ2</mml:msup> effectively from inflation to dark energy

被引：0

作者：

Brax, Philippe ^{[1
]}

Vanhove, Pierre ^{[1
]}

机构：

[1] Inst Phys Theor, CEA, DSM, IPhT,CNRS,MPPU,URA2306, F-91191 Gif Sur Yvette, France

来源：

INTERNATIONAL JOURNAL OF MODERN PHYSICS D | 2024年

关键词：

Dark energy; quantum gravity; supergravity; GENERAL-RELATIVITY; MODIFIED GRAVITY;

D O I：

暂无

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

In this paper, we consider the single-parameter & Rscr;+c & Rscr;2 gravitational action and use constraints from astrophysics and the laboratory to derive a natural relation between the coefficient c and the value of the cosmological constant. We find that the renormalization of c from the energy of the inflationary phase to the infrared, where the acceleration of the expansion of the universe takes place, is correlated with the evolution of the vacuum energy. Our results suggest that the coefficient of the & Rscr;2 term may provide an unexpected bridge between high-energy physics and cosmological phenomena such as inflation and dark energy.

引用

页数：10

共 42 条

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