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An inflation model with large variations in the spectral index
Feng, B; Li, MZ; Zhang, RJ; Zhang, XM; Feng, B , Chinese Acad Sci, Inst High Energy Phys, POB 918-4, Beijing 100039, Peoples R China.
2003
发表期刊PHYSICAL REVIEW D
ISSN0556-2821
卷号68期号:10页码:-
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.
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
关键词Probe Wmap Observations Gauge-symmetry Breaking Cold Dark-matter Quantum Corrections Natural Inflation Power Constraints Galaxies Maps
学科领域Physics
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收录类别SCI
WOS记录号WOS:000187004600023
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被引频次:46[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/14196
专题理论物理所1978-2010年知识产出
通讯作者Feng, B , Chinese Acad Sci, Inst High Energy Phys, POB 918-4, Beijing 100039, Peoples R China.
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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):-.
APA Feng, B,Li, MZ,Zhang, RJ,Zhang, XM,&Feng, B , Chinese Acad Sci, Inst High Energy Phys, POB 918-4, Beijing 100039, Peoples R China..(2003).An inflation model with large variations in the spectral index.PHYSICAL REVIEW D,68(10),-.
MLA Feng, B,et al."An inflation model with large variations in the spectral index".PHYSICAL REVIEW D 68.10(2003):-.
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