D-term inflation and leptogenesis by a right-handed sneutrino
Journal Article
·
· Physical Review. D, Particles Fields
- Particle Astrophysics Center, Fermilab, Batavia, Illinois 60510 (United States)
- Research Center for the Early Universe (RESCEU), Graduate School of Science, University of Tokyo, Tokyo, 113-0033 (Japan)
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 Kaehler potential. The decay of an inflaton sneutrino can nonthermally 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.
- OSTI ID:
- 20776724
- Journal Information:
- Physical Review. D, Particles Fields, Journal Name: Physical Review. D, Particles Fields Journal Issue: 4 Vol. 73; ISSN PRVDAQ; ISSN 0556-2821
- Country of Publication:
- United States
- Language:
- English
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