Abstract
In this essay, we address two long-standing problems of massive gravity: The ghost mode found by Boulware and Deser, and the incompatibility with General Relativity in the massless limit, better known as the vDVZ discontinuity. We present a recent candidate for a ghost-free theory, and show how Einstein's gravity is recovered within a certain macroscopic radius from a mass source, via the Vainshtein mechanism. We also exhibit an exact solution which could account for the late time acceleration of the Universe by means of a small graviton mass.
Original language | English |
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Pages (from-to) | 2803-2807 |
Journal | International Journal of Modern Physics A |
Volume | 20 |
Issue number | 14 |
DOIs | |
Publication status | Published - Dec 2011 |
Keywords
- Massive gravity