On the "Einstein-Gauss-Bonnet Gravity in Four Dimension"
General Relativity and Quantum Cosmology
2022-02-23 v1 High Energy Physics - Theory
Abstract
To ensure the existence of a well defined linearized gravitational wave equation, we show that the spacetimes in the so-called "Einstein-Gauss-Bonnet gravity in four dimension" have to be locally conformally flat.
Keywords
Cite
@article{arxiv.2103.09612,
title = {On the "Einstein-Gauss-Bonnet Gravity in Four Dimension"},
author = {Li-Ming Cao and Liang-Bi Wu},
journal= {arXiv preprint arXiv:2103.09612},
year = {2022}
}
Comments
revtex, 5 pages, no figures