Dynamics of a Scalar Field along a Flat Direction in de Sitter Space : Astrophysics and Relativity
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概要
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We compute the one-loop effective action of a scalar field φ along a flat direction in de Sitter space using the derivative expansion method. It is found that this scalar field rolls down the potential away from the origin if the initial value of a scalar field φ is much larger than the Hubble constant. We also see that this dynamics supports the Affleck-Dine mechanism for baryogenesis.
- 理論物理学刊行会の論文
- 1994-12-25
著者
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Tanaka Masahiro
Department Of Physics Tohoku University
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Tanaka Masahiro
Department Fixed Prosthodontics And Occlusion Osaka Dental University
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