New bulk scalar field solutions in brane worlds

被引：9
|
作者：
Parry, M [1 ]
Pichler, S [1 ]
机构：
[1] Univ Munich, D-80333 Munich, Germany
来源：
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS | 2004年 / 11期
关键词：
extra dimensions; gravity; string theory and cosmology;
D O I：
10.1088/1475-7516/2004/11/005
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We use nonlinear perturbation theory to obtain new solutions for brane world models that incorporate a massive bulk scalar field. We then consider tensor perturbations and show that Newtonian gravity is recovered on the brane for both a light scalar field and for a bulk field with large negative mass. This latter result points to the viability of higher-derivative theories of gravity in the context of bulk extra dimensions.
引用
收藏
页码：63 / 71
页数：9
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