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arXiv · 1505.02119

Higgs inflation and suppression of axion isocurvature perturbation

Kazunori Nakayama·Masahiro Takimoto
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Abstract

We point out that cosmological constraint from the axion isocurvature perturbation is relaxed if the Higgs field obtains a large field value during inflation in the DFSZ axion model. This scenario is consistent with the Higgs inflation model, in which two Higgs doublets have non-minimal couplings and play a role of inflaton.

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Kazunori Nakayama, Masahiro Takimoto. 2015-05-22. Higgs inflation and suppression of axion isocurvature perturbation. https://doi.org/10.1016/j.physletb.2015.07.001

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