Gaugino condensation in N=1 supergravity models with multiple dilaton-like fields -: art. no. 084010

被引：0

作者：

Bagger, J ^{[1
]}

Wu, YY ^{[1
]}

机构：

[1] Johns Hopkins Univ, Dept Phys & Astron, Baltimore, MD 21218 USA

来源：

PHYSICAL REVIEW D | 1999年 / 60卷 / 08期

关键词：

D O I：

暂无

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We study supersymmetry breaking by hidden-sector gaugino condensation in N=l, D=4 supergravity models with multiple dilaton-like moduli fields. Our work is motivated by type I string theory, in which the low-energy effective Lagrangian can have different dilaton-like fields coupling to different sectors of the theory. We construct the effective Lagrangian for gaugino condensation and use it to compute the visible-sector gaugino masses. We find that the gaugino masses can be of order the gravitino mass, in stark contrast to heterotic string models with a single dilaton field. [S0556-2821(99)06818-6].

引用

页数：8

共 46 条

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