Coupling of Brans-Dicke scalar field with Horava-Lifshitz gravity

被引：5
|
作者：
Lee, Joohan [1 ]
Lee, Tae Hoon [2 ,3 ]
Oh, Phillial [4 ,5 ]
机构：
[1] Univ Seoul, Dept Phys, Seoul 130743, South Korea
[2] Soongsil Univ, Dept Phys, Seoul 156743, South Korea
[3] Soongsil Univ, Inst Nat Sci, Seoul 156743, South Korea
[4] Sungkyunkwan Univ, Dept Phys, Suwon 440746, South Korea
[5] Sungkyunkwan Univ, Inst Basic Sci, Suwon 440746, South Korea
来源：
PHYSICS LETTERS B | 2011年 / 701卷 / 04期
关键词：
Horava-Lifshitz gravity; Brans-Dicke theory;
D O I：
10.1016/j.physletb.2011.06.022
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We look for a Brans-Dicke type generalization of Horava-Lifshitz gravity. It is shown that such a generalization is possible within the detailed balance condition. Classically, the resulting theory reduces in the low energy limit to the usual Brans-Dicke theory with a negative cosmological constant for certain values of parameters. We then consider homogeneous, isotropic cosmology and study the effects of the new terms appearing in the model. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：393 / 397
页数：5
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