On the cosmology of massive bigravity

Crisostomi, M. and Comelli, D. and Pilo, L. (2015) On the cosmology of massive bigravity. Il nuovo cimento C, 38 (1). pp. 1-5. ISSN 1826-9885

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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.

Item Type: Article
Uncontrolled Keywords: Modified theories of gravity ; Mathematical and relativistic aspects of cosmology
Subjects: 500 Scienze naturali e Matematica > 530 Fisica
Depositing User: Marina Spanti
Date Deposited: 27 May 2020 14:29
Last Modified: 27 May 2020 14:29
URI: http://eprints.bice.rm.cnr.it/id/eprint/18926

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