DYNAMICS OF A SCALAR FIELD ALONG A FLAT DIRECTION IN DE SITTER SPACE

被引：1
|
作者：
TANAKA, M
机构：
来源：
PROGRESS OF THEORETICAL PHYSICS | 1994年 / 92卷 / 06期
关键词：
D O I：
10.1143/PTP.92.1105
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We compute the one-loop effective action of a scalar field phi along a flat direction in de Sitter space using the derivative expansion method. It is found that this scalar field roils down the potential away from the origin if the initial value of a scalar field phi is much larger than the Hubble constant. We also see that this dynamics supports the Affleck-Dine mechanism for baryogenesis.
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页码：1105 / 1117
页数：13
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