6+1 lessons from f(R) gravity
Abstract
There has been a recent stimulus in the study of alternative theories of gravity lately, mostly triggered from combined motivation coming from cosmology/astrophysics and high energy physics. Among the proposed theories, one that has attracted much attention is f(R) gravity. It is certainly debatable whether such a simplistic modification of General Relativity can constitute a viable alternative theory of gravitation. However, it is quite straightforward to see the merits of such a theory when viewed as a toy theory whose role is to help us understand the implications and difficulties of beyond-Einstein gravity. Under this perspective, I review some of the main lessons we seem to have learned from the study of f(R) gravity in the recent past.
Keywords
Cite
@article{arxiv.0810.5594,
title = {6+1 lessons from f(R) gravity},
author = {Thomas P. Sotiriou},
journal= {arXiv preprint arXiv:0810.5594},
year = {2009}
}
Comments
Talk given at the 13th Conference on Recent Developments in Gravity (NEBXIII), Thessaloniki, Greece, 4-6 Jun 2008