Flat Potential for Inflaton with a Discrete R-Invariance in Supergravity : Particles and Fields
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概要
- 論文の詳細を見る
We show that a very flat potential of inflaton required for a sufficient inflation is naturally obtained in N=1 supergravity by imposing a discrete R-invariance Z_n (n≧3). Several cosmological constraints on parameters in the inflaton superpotential are derived. The reheating temperature turns out to be (1-10^8) GeV for the cases n=3-10. Baryogenesis in this model is also discussed briefly.
- 理論物理学刊行会の論文
- 1994-08-25
著者
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YANAGIDA Tsutomu
Department of Physics, Hiroshima University
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Yanagida T
Advanced Technology Group R&d Center Sumitomo Heavy Industries Ltd.
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Kumekawa Kazuya
Department Of Information Network Science Graduate School Of Information Systems University Of Elect
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Kumekawa Kazuya
Department Of Physics Tohoku University
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Moroi Takeo
Department Of Physics Tohoku University
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Yanagida Tsutomu
Department Of Physics Hiroshima University
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Yanagida Tsutomu
Department Of Physics Aud Resceu University Of Tokyo
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KUMEKAWA Kazuya
Department of Physics, Tohoku University
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Yanagida Tsutomu
Department of Chemistry, Faculty of Science, Shizuoka University
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