Inflation in a modified radiative seesaw model

Abstract

The existence of the inflationary era in the early Universe seems to be strongly supported by recent CMB observations. However, only a few realistic inflation scenarios which have close relation to particle physics seem to have been known unfortunately. The radiative neutrino mass model with inert doublet dark matter is a promising model for the present experimental issues which cannot be explained within the standard model. In order to make the model include inflation, we extend it by a complex scalar field with a specific potential. This scalar could be closely related to the neutrino mass generation at a TeV scale as well as inflation. We show that the inflation favored by the CMB observations could be realized even if inflaton takes sub-Planck values during inflation.

20 pages, 3 figures

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Cited by in corpus (13)

• From the trees to the forest: a review of radiative neutrino mass models
• Lepton number asymmetry via inflaton decay in a modified radiative seesaw model
• Low scale leptogenesis in a hybrid model of the scotogenic type I and III seesaw
• Leptogenesis in a neutrino mass model coupled with inflaton
• Complex Scalar Field Reheating and Primordial Black Hole production
• Inflation due to a non-minimal coupling of singlet scalars in the radiative seesaw model
• Inflation connected to the origin of $CP$ violation
• An extension of the SM based on effective Peccei-Quinn Symmetry
• Inflation and DM phenomenology in a scotogenic model extended with a real singlet scalar
• Radiative neutrino mass model with degenerate right-handed neutrinos
• Long-wavelength non-linear perturbations of a complex scalar field
• Low scale leptogenesis in a model with promising $CP$ structure
• Symmetry restoration due to preheating and lepton number asymmetry