Inflation and primordial power spectra at anisotropic spacetime inspired by Planck's constraints on isotropy of CMB
Chang Z(常哲); 王赛;Chang, Z; Wang, S
刊名EUROPEAN PHYSICAL JOURNAL C
2013
卷号73期号:8页码:2516
学科分类Physics
DOI10.1140/epjc/s10052-013-2516-5
英文摘要Recently, the Planck 2013 results showed possible evidence for a dipolar power modulation of the CMB temperature fluctuations at low-l multipoles. This anomaly might imply certain deviations from statistical isotropy. To incorporate the Planck's data into the standard cosmological model, we propose an inflation model of the very early universe in an anisotropic spacetime. A generalized Friedmann-Robertson-Walker (FRW) metric is presented in the Randers-Finsler spacetime. We obtain the primordial power spectrum of the scalar perturbation with direction dependence, such as the dipolar modulation. This is consistent with the dipolar power modulation of the CMB anisotropy signaled by the Planck observation.
收录类别SCI
WOS记录号WOS:000323901300008
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被引频次:16[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/311005/224462
专题中国科学院高能物理研究所_理论物理室_期刊论文
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Chang Z,王赛;Chang, Z,Wang, S. Inflation and primordial power spectra at anisotropic spacetime inspired by Planck's constraints on isotropy of CMB[J]. EUROPEAN PHYSICAL JOURNAL C,2013,73(8):2516.
APA 常哲,王赛;Chang, Z,&Wang, S.(2013).Inflation and primordial power spectra at anisotropic spacetime inspired by Planck's constraints on isotropy of CMB.EUROPEAN PHYSICAL JOURNAL C,73(8),2516.
MLA 常哲,et al."Inflation and primordial power spectra at anisotropic spacetime inspired by Planck's constraints on isotropy of CMB".EUROPEAN PHYSICAL JOURNAL C 73.8(2013):2516.
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