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题名: CMB angular power spectrum from correlated primordial fluctuation
作者: Yu Bo(余波)1; Lu Tan(陆埮)2, 3
刊名: PHYSICAL REVIEW D
出版日期: 2009-02-01
卷号: 79, 期号:4
学科分类: Astronomy & Astrophysics
DOI: 10.1103/PhysRevD.79.043015
文章类型: Article
英文摘要: The 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.
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Astronomy & Astrophysics ; Physics, Particles & Fields
研究领域[WOS]: Astronomy & Astrophysics ; Physics
关键词[WOS]: INFLATIONARY UNIVERSE ; MICROWAVE ; COSMOLOGY ; MAPS
收录类别: SCI
语种: 英语
WOS记录号: WOS:000263816800021
Citation statistics:
内容类型: 期刊论文
URI标识: http://libir.pmo.ac.cn/handle/332002/11047
Appears in Collections:陆埮_期刊论文

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作者单位: 1.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:
余 波、陆 埮.CMB angular power spectrum from correlated primordial fluctuation,Phys.Rev. D,2009,D79(43015):
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