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题名: Primordial power spectrum of tensor perturbations in Finsler spacetime
作者: Li, X ;  Wang, S
刊名: EUROPEAN PHYSICAL JOURNAL C
出版日期: 2016
卷号: 76, 期号:2, 页码:51
学科分类: Physics
DOI: http://dx.doi.org/10.1140/epjc/s10052-016-3890-6
通讯作者: Li, X (reprint author), Chongqing Univ, Dept Phys, Chongqing 401331, Peoples R China. ;  Li, X ;  Wang, S (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
文章类型: Article
英文摘要: We first investigate the gravitational wave in the flat Finsler spacetime. In the Finslerian universe, we derive the perturbed gravitational field equation with tensor perturbations. The Finslerian background spacetime breaks rotational symmetry and induces parity violation. Then we obtain the modified primordial power spectrum of the tensor perturbations. The parity violation feature requires that the anisotropic effect contributes to the TT, T E, EE, BB angular correlation coefficients with l' = l + 1 and T B, EB with l' = l. The numerical results show that the anisotropic contributions to the angular correlation coefficients depend on m, and T E and ET angular correlation coefficients are different.
类目[WOS]: Physics, Particles & Fields
关键词[WOS]: ANISOTROPIC INFLATION ;  UNIVERSE ;  RELATIVITY ;  COSMOLOGY ;  CONSTANT ;  SYMMETRY ;  FLATNESS ;  GEOMETRY ;  HORIZON ;  VACUUM
收录类别: SCI
项目资助者: National Natural Science Fund of China (NSFC) [11305181, 11547305] ;  Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y5KF181CJ1] ;  NSFC [11322545, 11335012]
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/21792
Appears in Collections:理论物理所2016年知识产出_期刊论文

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Recommended Citation:
Li, X,Wang, S. Primordial power spectrum of tensor perturbations in Finsler spacetime[J]. EUROPEAN PHYSICAL JOURNAL C,2016,76(2):51.
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