A trace of inflation in the local behavior of cosmological constant

被引：0
|
作者：
E. Benedetto
A. Feoli
L. Pizza
机构：
[1] University of Sannio,Department of Engineering
[2] Universitá di Pisa,Dipartimento di Fisica
[3] Istituto Nazionale di Fisica Nucleare (INFN),undefined
来源：
Astrophysics and Space Science | 2015年 / 360卷
关键词：
Cosmology; Cosmological constant; Inflationary universe; Dark energy;
D O I：
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学科分类号：
摘要：
Assuming the existence of a cosmological constant depending on time, we study the evolution of this field in a local region of spacetime. Solving the standard equations of Einstein Relativity in the weak field approximation we find two asymptotes in the behavior of the cosmological constant. Their meaning is the existence of an inflationary era both in the far past and in the future. A trace of the initial acceleration of the Universe can be found also in the local behavior of cosmological constant.
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