Mimetic F(R) inflation confronted with Planck and BICEP2/Keck Array data
Abstract
In this paper we demonstrate that in the context of mimetic F(R) gravity with Lagrange multiplier, it is possible to realize cosmologies which are compatible with the recent BICEP2/Keck Array data. We provide some characteristic examples for which the predicted scalar to tensor ratio can be quite smaller in comparison to the upper limit imposed by the BICEP2/Keck Array observations.
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