Standard cosmology from sigma-model

被引：9
|
作者：
Kennedy, C [1 ]
Prodanov, EM [1 ]
机构：
[1] Univ Dublin Trinity Coll, Sch Math, Dublin 2, Ireland
来源：
PHYSICS LETTERS B | 2000年 / 488卷 / 01期
关键词：
Randall-Sundrum; domain walls; warp factor; cosmology; rolling dilatons;
D O I：
10.1016/S0370-2693(00)00850-9
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We investigate (4 + 1)- and (5 + 0)-dimensional gravity coupled to a non-compact scalar field sigma-model and a perfect fluid within the context of the Randall-Sundrum scenario. We find cosmological solutions with a rolling fifth radius and a family of warp factors. Included in this family are both the original Randall-Sundrum solution and the self-tuning solution of Kachru, Schulz and Silverstein. Our solutions exhibit conventional cosmology. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：11 / 16
页数：6
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