Chaotic inflation and baryogenesis by right-handed sneutrinos
H Murayama, H Suzuki, T Yanagida, J Yokoyama - Physical review letters, 1993 - APS
H Murayama, H Suzuki, T Yanagida, J Yokoyama
Physical review letters, 1993•APSWe present a model of chaotic inflation driven by the superpartner of the right-handed
neutrino (N ̃ R). This model gives the correct magnitude of the density perturbation observed
by the Cosmic Background Explorer satellite with a right-handed neutrino mass≃ 10 13
GeV, which is also preferred by the Mikheyev-Smirnov-Wolfenstein solution to the solar
neutrino problem. The reheating process is the dacay of the coherently oscillating N ̃ R. This
decay process also generates lepton asymmetry via CP violation, which will be converted to …
neutrino (N ̃ R). This model gives the correct magnitude of the density perturbation observed
by the Cosmic Background Explorer satellite with a right-handed neutrino mass≃ 10 13
GeV, which is also preferred by the Mikheyev-Smirnov-Wolfenstein solution to the solar
neutrino problem. The reheating process is the dacay of the coherently oscillating N ̃ R. This
decay process also generates lepton asymmetry via CP violation, which will be converted to …
Abstract
We present a model of chaotic inflation driven by the superpartner of the right-handed neutrino (N ̃ R). This model gives the correct magnitude of the density perturbation observed by the Cosmic Background Explorer satellite with a right-handed neutrino mass≃ 10 13 GeV, which is also preferred by the Mikheyev-Smirnov-Wolfenstein solution to the solar neutrino problem. The reheating process is the dacay of the coherently oscillating N ̃ R. This decay process also generates lepton asymmetry via CP violation, which will be converted to baryon asymmetry thanks to the electroweak anomaly. This model can incorporate the τ-neutrino mass≃ 10 eV.
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