Gauss-Bonnet brane cosmology with radion stabilization

被引：2
|
作者：
Alberghi, GL
Tronconi, A
机构：
[1] Univ Bologna, Dept Phys, I-40126 Bologna, Italy
[2] Univ Bologna, Dept Astron, Bologna, Italy
[3] Ist Nazl Fis Nucl, Sez Bologna, Bologna, Italy
来源：
PHYSICAL REVIEW D | 2006年 / 73卷 / 02期
关键词：
D O I：
10.1103/PhysRevD.027702
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We study cosmology in a five-dimensional brane-world with a stabilizing effective potential for the radion and matter localized on the two branes. We consider the corrections induced by the Gauss-Bonnet contribution to the total action performing an expansion around the two possible static solutions up to second order in the ratio between brane matter energy density and brane tensions. The Friedmann and acceleration equations on the visible brane are obtained and discussed.
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页数：4
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