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CMB angular power spectrum from correlated primordial fluctuation
Yu, B.1; Lu, T.2,3
Source PublicationPHYSICAL REVIEW D
AbstractThe usual inflationary scenario predicts a Gaussian random primordial density fluctuation, different Fourier modes of which do not correlate with each other. In this paper we propose a correlation between these different modes. A simple case is that these different Fourier modes correlate with each other following a Gaussian function. For such a primordial density fluctuation we calculate the cosmic microwave background angular power spectrum and find that its amplitude decreases but the decrease is different for different l. This feature can be used to constrain the correlation strength from the real data.
Subject AreaAstronomy & Astrophysics
WOS HeadingsScience & Technology ; Physical Sciences
Indexed BySCI
WOS Research AreaAstronomy & Astrophysics ; Physics
WOS SubjectAstronomy & Astrophysics ; Physics, Particles & Fields
WOS IDWOS:000263816800021
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.Nanjing Univ, Dept Phys, Nanjing 210093, Peoples R China
2.Chinese Acad Sci, Purple Mt Observ, Nanjing 210028, Peoples R China
3.Nanjing Univ, Purple Mt Observ, Joint Ctr Particle Nucl Phys & Cosmol, Nanjing 210093, Peoples R China
Recommended Citation
GB/T 7714
Yu, B.,Lu, T.. CMB angular power spectrum from correlated primordial fluctuation[J]. PHYSICAL REVIEW D,2009,79(4).
APA Yu, B.,&Lu, T..(2009).CMB angular power spectrum from correlated primordial fluctuation.PHYSICAL REVIEW D,79(4).
MLA Yu, B.,et al."CMB angular power spectrum from correlated primordial fluctuation".PHYSICAL REVIEW D 79.4(2009).
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