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An inflation model with large variations in the spectral index
Feng B(冯波); Li MZ(李明哲); Zhang XM(张新民); Feng, B; Li, MZ; Zhang, RJ; Zhang, XM
2003
发表期刊PHYSICAL REVIEW D
卷号68期号:10页码:103511
通讯作者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
文章类型Article
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.
学科领域Astronomy & Astrophysics; Physics
研究领域[WOS]Astronomy & Astrophysics ; Physics ; Astronomy & Astrophysics ; Physics
DOI10.1103/PhysRevD.68.103511
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语种英语
研究领域[WOS]Astronomy & Astrophysics ; Physics ; Astronomy & Astrophysics ; Physics
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
WOS记录号WOS:000187004600023
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/240907
专题理论物理室
作者单位中国科学院高能物理研究所
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Feng B,Li MZ,Zhang XM,et al. An inflation model with large variations in the spectral index[J]. PHYSICAL REVIEW D,2003,68(10):103511.
APA 冯波.,李明哲.,张新民.,Feng, B.,Li, MZ.,...&Zhang, XM.(2003).An inflation model with large variations in the spectral index.PHYSICAL REVIEW D,68(10),103511.
MLA 冯波,et al."An inflation model with large variations in the spectral index".PHYSICAL REVIEW D 68.10(2003):103511.
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