Brane worlds in 5D and warped compactifications in IIB

被引：21
|
作者：
de Alwis, SP [1 ]
机构：
[1] Univ Colorado, Dept Phys, Boulder, CO 80309 USA
来源：
PHYSICS LETTERS B | 2004年 / 603卷 / 3-4期
关键词：
D O I：
10.1016/j.physletb.2004.10.035
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
In computing potentials for moduli in, for instance, type IIB string theory in the presence of fluxes and branes a factorisable ansatz for the ten-dimensional metric is usually made. We investigate the validity of this ansatz by examining the cosmology of a brane world in a five-dimensional bulk and find that it contradicts the results obtained by using a factorisable ansatz. We explicitly identify the problem with the latter in the IIB case. These arguments support our previous work on this question. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：230 / 238
页数：9
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