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题名: Second-order corrections to the power spectrum in the slow-roll expansion with a time-dependent sound speed
作者: Wei, H ;  蔡荣根 ;  Wang, AZ
刊名: PHYSICS LETTERS B
出版日期: 2004
卷号: 603, 期号:40972, 页码:95-106
关键词: PROBE WMAP OBSERVATIONS ;  MICROWAVE BACKGROUND OBSERVATIONS ;  ANGULAR SCALE INTERFEROMETER ;  COSMOLOGICAL PERTURBATIONS ;  DENSITY PERTURBATION ;  K-INFLATION ;  TACHYON ;  PARAMETERS ;  MAPS
学科分类: Physics
通讯作者: Wei, H , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
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
英文摘要: 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.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000225419600001
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/13927
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:
Wei, H,Cai, RG,Wang, AZ. 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.
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