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

页码：11 / 16

页数：6

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