A note on bigravity and dark matter
General Relativity and Quantum Cosmology
2009-04-02 v2 Astrophysics
High Energy Physics - Theory
Abstract
We show that a class of bi-gravity theories contain solutions describing dark matter. A particular member of this class is also shown to be equivalent to the Eddington-Born-Infeld gravity, recently proposed as a candidate for dark matter. Bigravity theories also have cosmological de Sitter backgrounds and we find solutions interpolating between matter and acceleration eras.
Cite
@article{arxiv.0811.1270,
title = {A note on bigravity and dark matter},
author = {Máximo Bañados and Andrés Gomberoff and Davi C. Rodrigues and Constantinos Skordis},
journal= {arXiv preprint arXiv:0811.1270},
year = {2009}
}
Comments
4 pages, 1 figure, minor corrections and reference additions, published in Phys. Rev. D