Conformally flat FRW metrics
High Energy Physics - Theory
2008-11-26 v3 General Relativity and Quantum Cosmology
Abstract
We find a new family of non-separable coordinate transformations bringing the FRW metrics into the manifestly conformally flat form. Our results are simple and complete, while our derivation is quite explicit. We also calculate all the FRW curvatures, including the Weyl tensor.
Keywords
Cite
@article{arxiv.hep-th/0702139,
title = {Conformally flat FRW metrics},
author = {Masao Iihoshi and Sergei V. Ketov and Atsushi Morishita},
journal= {arXiv preprint arXiv:hep-th/0702139},
year = {2008}
}
Comments
19 pages; LaTeX; no figures; misprints corrected, a few references and short notes added