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题名: An inflation model with large variations in the spectral index
作者: Feng, B ;  Li, MZ ;  Zhang, RJ ;  Zhang, XM
刊名: PHYSICAL REVIEW D
出版日期: 2003
卷号: 68, 期号:10, 页码:-
关键词: PROBE WMAP OBSERVATIONS ;  GAUGE-SYMMETRY BREAKING ;  COLD DARK-MATTER ;  QUANTUM CORRECTIONS ;  NATURAL INFLATION ;  POWER ;  CONSTRAINTS ;  GALAXIES ;  MAPS
学科分类: Physics
通讯作者: Feng, B , Chinese Acad Sci, Inst High Energy Phys, POB 918-4, Beijing 100039, Peoples R China.
部门归属: Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China; Inst Adv Study, Sch Nat Sci, Princeton, NJ 08540 USA; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
英文摘要: Recent fits of cosmological parameters by a Wilkinson Microwave Anisotropy Probe (WMAP) measurement favor a primordial scalar spectrum with a varying index. This result, if it stands, could severely constrain inflation model building. Most extant slow-roll inflation models allow for only a tiny amount of scale variations in the spectrum. We propose in this paper an extra-dimensional inflation model which is natural theoretically and can generate the required variations of the spectral index as implied by the WMAP for suitable choices of parameters.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000187004600023
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/14196
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Feng, B,Li, MZ,Zhang, RJ,et al. An inflation model with large variations in the spectral index[J]. PHYSICAL REVIEW D,2003,68(10):-.
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