Anisotropic Cosmology in the Local Limit of Nonlocal Gravity-Reference-Cited by-同舟云学术

Anisotropic Cosmology in the Local Limit of Nonlocal Gravity

Published:2023-08-23 Issue:9 Volume:9 Page:377
ISSN:2218-1997
Container-title:Universe
language:en
Short-container-title:Universe

Author:

Tabatabaei Javad¹^ORCID,Banihashemi Abdolali¹^ORCID,Baghram Shant¹^ORCID,Mashhoon Bahram²³^ORCID

Affiliation:

1. Department of Physics, Sharif University of Technology, Tehran 11155-9161, Iran

2. School of Astronomy, Institute for Research in Fundamental Sciences (IPM), Tehran 19395-5531, Iran

3. Department of Physics and Astronomy, University of Missouri, Columbia, MO 65211, USA

Abstract

Within the framework of the local limit of nonlocal gravity (NLG), we investigate a class of Bianchi type I spatially homogeneous but anisotropic cosmological models. The modified field equations are presented in this case, and some special solutions are discussed in detail. This modified gravity theory contains a susceptibility function S(x) such that general relativity (GR) is recovered for S = 0. In the modified anisotropic cosmological models, we explore the contribution of S(t) and its temporal derivative to the local anisotropic cosmic acceleration. The implications of our results for observational cosmology are briefly discussed.

Funder

Iran Science Elites Federation

Publisher

MDPI AG

Subject

General Physics and Astronomy

Link

https://www.mdpi.com/2218-1997/9/9/377/pdf

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