Chaotic inflation and baryogenesis by right-handed sneutrinos

Details Chaotic inflation and baryogenesis by right-handed sneutrinos Chaotic inflation and baryogenesis by right-handed sneutrinos

Mar 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993phrvl..70.1912m&link_type=abstract

Physical Review Letters (ISSN 0031-9007), vol. 70, no. 13, p. 1912-1915.

Physics

147

Baryons, Chaos, Particle Mass, Plancks Constant, Solar Neutrinos, Cosmic Background Explorer Satellite, Cosmology, Quantum Theory, Universe

Scientific paper

We present a model of chaotic inflation driven by the superpartner of the right-handed neutrino. This model gives the correct magnitude of the density perturbation observed by the Cosmic Background Explorer satellite with a right-handed neutrino mass of about 1013 GeV, which is also preferred by the Mikheyev-Smirnov-Wolfenstein solution to the solar neutrino problem. The reheating process is the decay of the coherently oscillating NR. 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 tau-neutrino mass of about 10 eV.

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