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Cosmological implications of 5-dimensional Brans-Dicke theory
Qiang, Li-e1; Gong, Yan1,2; Ma, Yongge3; Chen, Xuelei1,4
2009-11-02
发表期刊PHYSICS LETTERS B
卷号681期号:3页码:210-213
摘要The five-dimensional Brans-Dicke theory naturally provides two scalar fields by the Killing reduction mechanism. These two scalar fields could account for the accelerated expansion of the universe. We test this model and constrain its parameter by using the type Ia supernova (SN Ia) data. We find that the best fit value of the 5-dimensional Brans-Dicke coupling constant is to omega = -1.9. This result is also consistent with other observations such as the baryon acoustic oscillation (BAO). (C) 2009 Elsevier B.V. All rights reserved.
DOI10.1016/j.physletb.2009.10.028
收录类别SCI
语种英语
WOS记录号WOS:000271849900002
引用统计
被引频次:8[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.bao.ac.cn/handle/114a11/8133
专题星系宇宙学研究部
作者单位1.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
3.Beijing Normal Univ, Dept Phys, Beijing 100875, Peoples R China
4.Peking Univ, Ctr High Energy Phys, Beijing 100871, Peoples R China
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Qiang, Li-e,Gong, Yan,Ma, Yongge,et al. Cosmological implications of 5-dimensional Brans-Dicke theory[J]. PHYSICS LETTERS B,2009,681(3):210-213.
APA Qiang, Li-e,Gong, Yan,Ma, Yongge,&Chen, Xuelei.(2009).Cosmological implications of 5-dimensional Brans-Dicke theory.PHYSICS LETTERS B,681(3),210-213.
MLA Qiang, Li-e,et al."Cosmological implications of 5-dimensional Brans-Dicke theory".PHYSICS LETTERS B 681.3(2009):210-213.
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