Born-Infeld gravity, bigravity, and their cosmological applications
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Mon, 19/01/2009 12:00 |
Maximo Bañados (Pontificia Universidad Católica de Chile and Oxford) |
String Theory Seminar  |
L3 |
| In an attempt to define the ground state of general relativity as a state with no metric we arrive at a bigravity action. This action has surprising applications to cosmology and is competitive with the standard dark matter paradigm. Fluctuations and CMB spectra are briefly discussed. | |||