COSMOLOGICAL STRING SOLUTIONS IN 4 DIMENSIONS FROM 5D BLACK-HOLES

被引：17
|
作者：
BEHRNDT, K [1 ]
FORSTE, S [1 ]
机构：
[1] HUMBOLDT UNIV BERLIN,BERLIN,GERMANY
来源：
PHYSICS LETTERS B | 1994年 / 320卷 / 3-4期
关键词：
D O I：
10.1016/0370-2693(94)90653-X
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We obtain cosmological four dimensional solutions of the low energy effective string theory by reducing a five dimensional black hole, and black hole-de Sitter solution of Einstein gravity down to four dimensions. The appearance of a cosmological constant in the five dimensional Einstein-Hilbert action produces a special dilaton potential in the four dimensional effective string action. Cosmological scenarios implemented by our solutions are discussed.
引用
收藏
页码：253 / 258
页数：6
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