Supersymmetry and Cosmology: Inflation, gravitino and axion
Journal Article
·
· AIP Conference Proceedings
- Institute for Cosmic Ray Research (ICRR) and Institute for the Physics and Mathematics of the Universe (IPMU), University of Tokyo, Kashiwanoha 5-1-5, Kashiwa, Chiba 277-8582 (Japan)
We discuss some cosmological problems in supersymmetry and supergravity. First, we present (chaotic, hybrid and new) inflation models based on supergravity. Then we consider the serious problem due to thermally and non-thermally produced gravitinos and show that it gives severe constraints on the reheating temperature and the inflaton properties. Finally the supersymmetric axion model is studied and it is shown that overproduction of saxions and axinos sets more stringent upper limit on the reheating temperature than overproduction of the gravitinos.
- OSTI ID:
- 21143445
- Journal Information:
- AIP Conference Proceedings, Journal Name: AIP Conference Proceedings Journal Issue: 1 Vol. 1015; ISSN APCPCS; ISSN 0094-243X
- Country of Publication:
- United States
- Language:
- English
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