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

页码：253 / 258

页数：6

共 20 条

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