Massive gravity as a limit of bimetric gravity
General Relativity and Quantum Cosmology
2013-02-13 v1 Cosmology and Nongalactic Astrophysics
High Energy Physics - Theory
Abstract
Massive gravity may be viewed as a suitable limit of bimetric gravity. The limiting procedure can lead to an interesting interplay between the "background" and "foreground" metrics in a cosmological context. The fact that in bimetric theories one always has two sets of metric equations of motion continues to have an effect even in the massive gravity limit. Thus, solutions of bimetric gravity in the limit of vanishing kinetic term are also solutions of massive gravity, but the contrary statement is not necessarily true.
Keywords
Cite
@article{arxiv.1302.2687,
title = {Massive gravity as a limit of bimetric gravity},
author = {Prado Martin-Moruno and Valentina Baccetti and Matt Visser},
journal= {arXiv preprint arXiv:1302.2687},
year = {2013}
}
Comments
3 pages; contribution to the proceedings of the Thirteenth Marcel Grossmann Meeting, Stockholm University, Sweden, 1-7 July, 2012