Induced cosmology on a codimension-2 brane in a conical bulk

被引：0
|
作者：
De Risi, G. [1 ,2 ]
机构：
[1] Univ Bari, Dipartimento Fis, I-70126 Bari, Italy
[2] Ist Nazl Fis Nucl, Sez Bari, I-70126 Bari, Italy
来源：
NUCLEAR PHYSICS B | 2011年 / 845卷 / 02期
关键词：
Brane cosmology; Extra-dimensions; DIMENSIONS;
D O I：
10.1016/j.nuclphysb.2010.12.006
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
We study the cosmology of a 5-dimensional brane, which represents a regularization of a 4-dimensional codimension-2 brane, embedded in a conical bulk. The brane is assumed to be tensional, and to contain a curvature term. Cosmology is obtained by letting the brane move trough the bulk, and implementing dynamical junction conditions. Our results shows that, with suitable choices of the parameters, the resulting cosmological dynamics mimics fairly well standard 4-dimensional cosmology. (C) 2010 Published by Elsevier B.V.
引用
收藏
页码：246 / 256
页数：11
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