Spontaneous Baryogenesis in Flat Directions
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概要
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We discuss the spontaneous baryogenesis mechanism in flat directions. After identifying the Nambu-Goldstone mode which derivatively couples to the associated U(1) current, we show that spontaneous baryogenesis can be naturally realized in the context of the flat direction. As an application, we discuss baryogenesis in a flat direction with vanishing B-L charge, especially, with neither baryon nor lepton charge, which was recently proposed by Chiba and us.
- 素粒子論グループ 素粒子研究編集部の論文
- 2004-03-20
著者
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Takahashi Fuminobu
Research Center for the Early Universe (RESCEU), School of Science, University of Tokyo
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Yamaguchi Masahide
Physics Department, Brown University
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Yamaguchi M
Physics Department Brown University
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- Spontaneous Baryogenesis in Flat Directions