A new symmetry of the spatially flat Einstein-Friedmann equations
General Relativity and Quantum Cosmology
2020-12-02 v1
Abstract
We report a new symmetry of the Einstein-Friedmann equations for spatially flat Friedmann- Lema\^itre-Robertson-Walker universes. We discuss its application to barotropic perfect fluids and its use as a solution-generating technique for scalar field universes.
Keywords
Cite
@article{arxiv.2009.03235,
title = {A new symmetry of the spatially flat Einstein-Friedmann equations},
author = {Steve Dussault and Valerio Faraoni},
journal= {arXiv preprint arXiv:2009.03235},
year = {2020}
}
Comments
7 pages, no figures