Inflation in supergravity without Kahler potential

被引：21

作者：

Aoki, Shuntaro ^{[1
]}

Yamada, Yusuke ^{[1
]}

机构：

[1] Waseda Univ, Dept Phys, Tokyo 1698555, Japan

来源：

PHYSICAL REVIEW D | 2014年 / 90卷 / 12期

关键词：

D O I：

10.1103/PhysRevD.90.127701

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We propose a new class of inflation models in supergravity with higher derivative terms. In those models, the Kahler potential does not contain the inflaton multiplet, but a supersymmetric derivative term does. In the models, inflation is effectively driven by a single scalar field with a standard kinetic term and a scalar potential. Remarkably, the so-called eta problem does not exist in our models.

引用

页数：5

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