2015•CNR SOLAR (Scientific Open-access Literature Archive and Repository) (University of Southampton)Requires access
On the cosmology of massive bigravity
Marco Crisostomi, Luigi Pilo, D. Comelli
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Abstract
In this note we briefly review the present status of cosmology in massive bigravity. The bottom line is that no stable FLRW cosmology exists at the leading order, showing a breakdown of cosmological perturbation theory much earlier than in GR. A possible way out could be a non-linear treatment.
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