FLRW-Cosmology in Generic Gravity Theories
General Relativity and Quantum Cosmology
2020-12-04 v2
Abstract
We prove that for the Friedmann-Lemaitre-Robertson-Walker metric, the field equations of any generic gravity theory in arbitrary dimensions are of the perfect fluid type. The cases of general Lovelock and theories are given as examples.
Cite
@article{arxiv.2009.12825,
title = {FLRW-Cosmology in Generic Gravity Theories},
author = {Metin Gurses and Yaghoub Heydarzade},
journal= {arXiv preprint arXiv:2009.12825},
year = {2020}
}
Comments
9 pages, published version in Eur. Phys. J. C