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Nearly scale-invariant power spectrum and quantum cosmological perturbations in the gravity's rainbow scenario
Wang, S; Chang Z(常哲); Chang, Z
2015
发表期刊EUROPEAN PHYSICAL JOURNAL C
卷号75期号:6页码:259
摘要We propose the gravity's rainbow scenario as a possible alternative of the inflation paradigm to account for the flatness and horizon problems. We focus on studying the cosmological scalar perturbations which are seeded by the quantum fluctuations in the very early universe. The scalar power spectrum is expected to be nearly scale-invariant. We estimate the rainbow index lambda and energy scale M in the gravity's rainbow scenario by analyzing the Planck temperature and WMAP polarization datasets. The constraints on them are given by lambda = 2.933 +/- 0.012 and ln(10(5)M/M-p) = -0.401(-0.451)(+0.457) at the 68% confidence level.
文章类型Article
学科领域Physics
DOI10.1140/epjc/s10052-015-3457-y
收录类别SCI
WOS类目Physics, Particles & Fields
WOS记录号WOS:000355939500002
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被引频次:3[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/311005/228459
专题理论物理室
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Wang, S,Chang Z,Chang, Z. Nearly scale-invariant power spectrum and quantum cosmological perturbations in the gravity's rainbow scenario[J]. EUROPEAN PHYSICAL JOURNAL C,2015,75(6):259.
APA Wang, S,常哲,&Chang, Z.(2015).Nearly scale-invariant power spectrum and quantum cosmological perturbations in the gravity's rainbow scenario.EUROPEAN PHYSICAL JOURNAL C,75(6),259.
MLA Wang, S,et al."Nearly scale-invariant power spectrum and quantum cosmological perturbations in the gravity's rainbow scenario".EUROPEAN PHYSICAL JOURNAL C 75.6(2015):259.
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