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Cosmological solutions in bimetric gravity and their observational tests
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, (2012)
摘要
We obtain the general cosmological evolution equations for a classically consistent theory of bimetric gravity. Their analytic solutions are demonstrated to generically allow for a cosmic evolution starting out from a matter dominated FLRW universe and relaxing towards a de Sitter (anti-de Sitter) phase at late cosmic time. In particular,...更多
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