FLAT POTENTIAL FOR INFLATION WITH A DISCRETE R-INVARIANCE IN SUPERGRAVITY

被引：167

作者：

KUMEKAWA, K

MOROI, T

YANAGIDA, T

机构：

来源：

PROGRESS OF THEORETICAL PHYSICS | 1994年 / 92卷 / 02期

关键词：

D O I：

10.1143/PTP.92.437

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We show that a very Rat potential of inflaton required for a sufficient inflation is naturally obtained in N=1 supergravity by imposing a discrete R-invariance Z(n) (n greater than or equal to 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.

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页码：437 / 447

页数：11

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