f(R) brane cosmology

被引：3
|
作者：
Bouhmadi-Lopez, Mariam [1 ]
机构：
[1] Inst Super Tecn, Ctr Multidisciplinar Astrofis CENTRA, Dept Fis, P-1049001 Lisbon, Portugal
来源：
SPANISH RELATIVITY MEETING (ERE 2009) | 2010年 / 229卷
关键词：
GRAVITY;
D O I：
10.1088/1742-6596/229/1/012024
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Despite the nice features of the Dvali, Gabadadze and Porrati (DGP) model to explain the late-time acceleration of the universe, it suffers from some theoretical problems like the ghost issue. We present a way to self-accelerate the normal DGP branch, which is known to be free of the ghost problem, by means of an f(R) term on the brane action. We obtain the de Sitter self-accelerating solutions of the model and study their stability under homogeneous perturbations.
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页数：4
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