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Second-order corrections to the power spectrum in the slow-roll expansion with a time-dependent sound speed
Wei, H; Cai, RG; Wang, AZ; Wei, H , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
2004
发表期刊PHYSICS LETTERS B
ISSN0370-2693
卷号603期号:40972页码:95-106
摘要We extend Green's function method developed by Stewart and Gong to calculate the power spectrum of density perturbation in the case with a time-dependent sound speed, and explicitly give the power spectrum and spectral index up to second-order corrections in the slow-roll expansion. The case of tachyon inflation is included as a special case. (C) 2004 Elsevier B.V. All rights reserved.
部门归属Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China; Baylor Univ, CASPER, Dept Phys, Waco, TX 76798 USA
关键词Probe Wmap Observations Microwave Background Observations Angular Scale Interferometer Cosmological Perturbations Density Perturbation K-inflation Tachyon Parameters Maps
学科领域Physics
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收录类别SCI
WOS记录号WOS:000225419600001
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被引频次:17[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/311006/13927
专题理论物理所SCI论文
通讯作者Wei, H , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
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Wei, H,Cai, RG,Wang, AZ,et al. Second-order corrections to the power spectrum in the slow-roll expansion with a time-dependent sound speed[J]. PHYSICS LETTERS B,2004,603(40972):95-106.
APA Wei, H,Cai, RG,Wang, AZ,&Wei, H , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China..(2004).Second-order corrections to the power spectrum in the slow-roll expansion with a time-dependent sound speed.PHYSICS LETTERS B,603(40972),95-106.
MLA Wei, H,et al."Second-order corrections to the power spectrum in the slow-roll expansion with a time-dependent sound speed".PHYSICS LETTERS B 603.40972(2004):95-106.
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