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Crossing w=-1 in Gauss-Bonnet brane world with induced gravity
Cai, RG; Zhang, HS; Wang, AZ; Cai, RG , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
2005
发表期刊COMMUNICATIONS IN THEORETICAL PHYSICS
ISSN0253-6102
卷号44期号:5页码:948-954
摘要Recent type Ia supernovas data seemingly favor a dark energy model whose equation of state w(z) crosses -1 very recently, which is a much more amazing problem than the acceleration of the universe. In this paper we show that it is possible to realize such a crossing without introducing any phantom component in a Gauss-Bonnet brane world with induced gravity, where a four-dimensional curvature scalar on the brane and a five-dimensional Gauss-Bonnet term in the bulk are present. In this realization, the Gauss-Bonnet term and the mass parameter in the bulk play a crucial role.
部门归属Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; Baylor Univ, CASPER, Dept Phys, Waco, TX 76706 USA
关键词Probe Wmap Observations Dark Energy Cosmological Constant Supernovae Model
学科领域Physics
收录类别SCI
WOS记录号WOS:000233657100038
引用统计
被引频次:151[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/13719
专题理论物理所SCI论文
通讯作者Cai, RG , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
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GB/T 7714
Cai, RG,Zhang, HS,Wang, AZ,et al. Crossing w=-1 in Gauss-Bonnet brane world with induced gravity[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2005,44(5):948-954.
APA Cai, RG,Zhang, HS,Wang, AZ,&Cai, RG , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China..(2005).Crossing w=-1 in Gauss-Bonnet brane world with induced gravity.COMMUNICATIONS IN THEORETICAL PHYSICS,44(5),948-954.
MLA Cai, RG,et al."Crossing w=-1 in Gauss-Bonnet brane world with induced gravity".COMMUNICATIONS IN THEORETICAL PHYSICS 44.5(2005):948-954.
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