De Sitter in extended supergravity

被引：34
|
作者：
Roest, Diederik [1 ]
Rosseel, Jan [1 ]
机构：
[1] Univ Groningen, Ctr Theoret Phys, NL-9747 AG Groningen, Netherlands
来源：
PHYSICS LETTERS B | 2010年 / 685卷 / 2-3期
关键词：
Gauged supergravity; Extended supersymmetry; Cosmology; De Sitter; STABLE DESITTER VACUA; N=2 SUPERGRAVITY; POTENTIALS;
D O I：
10.1016/j.physletb.2010.01.064
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We show that known de Sitter Solutions in extended gauged supergravity theories are interrelated via a web of supersymmetry-breaking truncations. In particular, all N = 8 models reduce to a subset of the N = 4 possibilities. Furthermore, a different subset of the N = 4 models can be truncated to stable de Sitter vacua in N = 2 theories. In addition to relations between the known cases, we also find new (un)stable models. (c) 2010 Published by Elsevier B.V.
引用
收藏
页码：201 / 207
页数：7
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