D-term Inflation and Leptogenesis by Right-handed Sneutrino

Details D-term Inflation and Leptogenesis by Right-handed Sneutrino D-term Inflation and Leptogenesis by Right-handed Sneutrino

2005-12-17

arxiv.org/abs/hep-ph/0512221v2

Phys.Rev.D73:043507,2006

Physics

High Energy Physics

High Energy Physics - Phenomenology

References added

Scientific paper

10.1103/PhysRevD.73.043507

We discuss a D-term inflation scenario where a right-handed sneutrino can be an inflaton field leading to a viable inflation and leptogenesis, with a minimal form of K\"ahler potential. The decay of an inflaton sneutrino can non-thermally create large enough lepton asymmetry. Its entropy production is also big enough to ameliorate the gravitino problem caused by too high a reheating temperature from the decay of a symmetry breaking field.

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