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Higgs inflation and suppression of axion isocurvature perturbation

By Japan 113-0033 Tokyo University of Tokyo KazunoriDepartment of Physics Nakayama and Japan) 113-0033 Tokyo University of Tokyo Masahiro(Department of Physics Takimoto


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

Year: 2015
DOI identifier: 10.1016/j.physletb.2015.07.001
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