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Li, X; Lin, HN; Li, X (reprint author), Chongqing Univ, Dept Phys, Chongqing 401331, Peoples R China.; Li, X (reprint author), Chinese Acad Sci, Inst Theoret Phys, CAS Key Lab Theoret Phys, Beijing 100190, Peoples R China.
Finslerian dipolar modulation of the CMB power spectra at scales 2 < l < 600
发表期刊EUROPEAN PHYSICAL JOURNAL C
语种英语
摘要A common explanation for the CMB power asymmetry is to introduce a dipolar modulation at the stage of inflation, where the primordial power spectrum is spatially varying. If the universe in the stage of inflation is Finslerian, and if the Finsler spacetime is non-reversible under parity flip, x -> -x, then a three dimensional spectrum which is a function of wave vector and direction is valid. In this paper, a three dimensional primordial power spectrum with preferred direction is derived in the framework of Finsler spacetime. It is found that the amplitude of dipolar modulation is related to the Finslerian parameter, which in turn is a function of wave vector. The angular correlation coefficients are presented, and the numerical results for the anisotropic correlation coefficients over the multipole range 2 < l < 600 are given.
2017
卷号77期号:5页码:316
学科领域Physics
DOIhttp://dx.doi.org/10.1140/epjc/s10052-017-4897-3
项目资助者National Natural Science Fund of China [11305181, 11603005, 11647307] ; National Natural Science Fund of China [11305181, 11603005, 11647307] ; National Natural Science Fund of China [11305181, 11603005, 11647307] ; National Natural Science Fund of China [11305181, 11603005, 11647307] ; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y5KF181CJ1] ; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y5KF181CJ1] ; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y5KF181CJ1] ; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y5KF181CJ1] ; Fundamental Research Funds for the Central Universities [106112016CDJCR301206] ; Fundamental Research Funds for the Central Universities [106112016CDJCR301206] ; Fundamental Research Funds for the Central Universities [106112016CDJCR301206] ; Fundamental Research Funds for the Central Universities [106112016CDJCR301206]
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/22054
专题理论物理所科研产出_SCI论文
通讯作者Li, X (reprint author), Chongqing Univ, Dept Phys, Chongqing 401331, Peoples R China.; Li, X (reprint author), Chinese Acad Sci, Inst Theoret Phys, CAS Key Lab Theoret Phys, Beijing 100190, Peoples R China.
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GB/T 7714
Li, X,Lin, HN,Li, X ,et al. Finslerian dipolar modulation of the CMB power spectra at scales 2 < l < 600[J]. EUROPEAN PHYSICAL JOURNAL C,2017,77(5):316.
APA Li, X,Lin, HN,Li, X ,&Li, X .(2017).Finslerian dipolar modulation of the CMB power spectra at scales 2 < l < 600.EUROPEAN PHYSICAL JOURNAL C,77(5),316.
MLA Li, X,et al."Finslerian dipolar modulation of the CMB power spectra at scales 2 < l < 600".EUROPEAN PHYSICAL JOURNAL C 77.5(2017):316.
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