The rise of a tensor instability in Eddington-inspired gravity
General Relativity and Quantum Cosmology
2013-01-23 v1
Abstract
In this work an extension to Eddington's gravitational action is analyzed. We consider the tensor perturbations of a FLRW space-time in the Eddington regime in where the tensor mode is linearly unstable deep and the resulting modifications to Einstein regime are quite strong.
Keywords
Cite
@article{arxiv.1301.5264,
title = {The rise of a tensor instability in Eddington-inspired gravity},
author = {Celia Escamilla-Rivera and Maximo Banados and Pedro G. Ferreira},
journal= {arXiv preprint arXiv:1301.5264},
year = {2013}
}
Comments
2 pages, to appear in the Proceedings of the 13th Marcel Grossman Meeting (Stockholm, Sweden, July 1-7 2012), invited talk at the Parallel Session AT4 "Modify Gravity"