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arXiv · 2102.07777

CP-violating inflation and its cosmological imprints

Venus Keus·Kimmo Tuominen
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Abstract

We study models with several $SU(2)$ scalar doublets where the inert doublets have a non-minimal coupling to gravity and play the role of the inflaton. We allow for this coupling to be complex, thereby introducing CP-violation -- a necessary source of the baryon asymmetry -- in the Higgs-inflaton couplings. We investigate the inflationary dynamics of the model and discuss how the CP-violation of the model is imprinted on the particle asymmetries after inflation in the hot big bang universe.

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Venus Keus, Kimmo Tuominen. 2021-02-15. CP-violating inflation and its cosmological imprints. https://doi.org/10.1103/physrevd.104.063533

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