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Cosmological model with local symmetry of very special relativity and constraints on it from supernovae
Chang Z(常哲); Li MH(李明华); Li X(李昕); 王赛;Chang, Z; Li, MH; Li, X; Wang, S
2013
发表期刊EUROPEAN PHYSICAL JOURNAL C
卷号73期号:6页码:2459
摘要Based on Cohen & Glashow's very special relativity (Cohen and Glashow in Phys. Rev. Lett. 97: 021601, 2006), we propose an anisotropic modification to the Friedmann-Robertson-Walker (FRW) line element. An arbitrarily oriented 1-form is introduced and the FRW spacetime becomes of the Randers-Finsler type. The 1-form picks out a privileged axis in the universe. Thus, the cosmological red-shift as well as the Hubble diagram of the type Ia supernovae (SNe Ia) becomes anisotropic. By directly analyzing the Union2 compilation, we obtain the privileged axis pointing to (l, b) = (304 degrees +/- 43 degrees,-27 degrees +/- 13 degrees) (68 % C.L.). This privileged axis is close to those obtained by comparing the best-fit Hubble diagrams in pairs of hemispheres. It should be noticed that the result is consistent with isotropy at the 1 sigma level since the anisotropic magnitude is D = 0.03 +/- 0.03.
学科领域Physics
DOI10.1140/epjc/s10052-013-2459-x
收录类别SCI
WOS记录号WOS:000321855400015
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被引频次:23[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/224461
专题理论物理室
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GB/T 7714
Chang Z,Li MH,Li X,et al. Cosmological model with local symmetry of very special relativity and constraints on it from supernovae[J]. EUROPEAN PHYSICAL JOURNAL C,2013,73(6):2459.
APA 常哲.,李明华.,李昕.,王赛;Chang, Z.,Li, MH.,...&Wang, S.(2013).Cosmological model with local symmetry of very special relativity and constraints on it from supernovae.EUROPEAN PHYSICAL JOURNAL C,73(6),2459.
MLA 常哲,et al."Cosmological model with local symmetry of very special relativity and constraints on it from supernovae".EUROPEAN PHYSICAL JOURNAL C 73.6(2013):2459.
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