Constrained perturbative expansion of the DGP model

被引：3
|
作者：
Middleton, C [1 ]
Siopsis, G [1 ]
机构：
[1] Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA
来源：
PHYSICS LETTERS B | 2005年 / 613卷 / 3-4期
关键词：
D O I：
10.1016/j.physletb.2005.03.062
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We address the vDVZ discontinuity of the 5D DGP model which consists of a 3-brane residing in a flat, infinite-volume bulk. Following a suggestion by Gabadadze [hep-th/0403161], we implement a constrained perturbative expansion parametrized by brane gauge parameters. We explore the parameter space and show that the DGP solution exhibiting the vDVZ discontinuity corresponds to a set of measure zero. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：189 / 196
页数：8
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