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Dynamics of a Scalar Field along a Flat Direction in de Sitter Space
1994
Progress of theoretical physics
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We compute the one-loop effective action of a scalar field ¢ along a fiat 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 ¢ is much larger than the Hubble constant. We also see that this dynamics supports the Affleck-Dine mechanism for baryogenesis. § 1. Introduction
doi:10.1143/ptp/92.6.1105
fatcat:y6pmupe2azdedlgkefsmdcok2y