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Nonlinear CMB temperature anisotropy from gravitational perturbations
Gao, Xian; Gao, XA , Chinese Acad Sci, Kavli Inst Theoret Phys China, Key Lab Frontiers Theoret Phys, Inst Theoret Phys, 55 Zhong Guan Cun E Rd, Beijing 100190, Peoples R China
2010
发表期刊PHYSICAL REVIEW D
ISSN1550-7998
卷号82期号:10页码:-
摘要Nonlinear CMB temperature anisotropies up to the third order on large scales are calculated. On large scales and in the Sachs-Wolfe limit, we give the explicit expression for the observed temperature anisotropy in terms of the primordial curvature perturbation up to the third order. We derived the final bispectrum and trispectrum of anisotropies and the corresponding nonlinear parameters, in which the contributions to the observed non-Gaussianity from primordial perturbations and from the nonlinear mapping from primordial curvature perturbation to the temperature anisotropy are transparently separated.
部门归属Chinese Acad Sci, Kavli Inst Theoret Phys China, Key Lab Frontiers Theoret Phys, Inst Theoret Phys, Beijing 100190, Peoples R China
关键词Microwave Background Anisotropies 2nd-order Perturbations Non-gaussianity Fluctuations Inflation Evolution Models
学科领域Physics
资助者NSFC[10535060/A050207, 10821504]; Ministry of Science and Technology[2007CB815401] ; NSFC[10535060/A050207, 10821504]; Ministry of Science and Technology[2007CB815401] ; NSFC[10535060/A050207, 10821504]; Ministry of Science and Technology[2007CB815401] ; NSFC[10535060/A050207, 10821504]; Ministry of Science and Technology[2007CB815401]
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收录类别SCI
资助者NSFC[10535060/A050207, 10821504]; Ministry of Science and Technology[2007CB815401] ; NSFC[10535060/A050207, 10821504]; Ministry of Science and Technology[2007CB815401] ; NSFC[10535060/A050207, 10821504]; Ministry of Science and Technology[2007CB815401] ; NSFC[10535060/A050207, 10821504]; Ministry of Science and Technology[2007CB815401]
WOS记录号WOS:000284049800001
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被引频次:4[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/311006/5012
专题理论物理所1978-2010年知识产出
通讯作者Gao, XA , Chinese Acad Sci, Kavli Inst Theoret Phys China, Key Lab Frontiers Theoret Phys, Inst Theoret Phys, 55 Zhong Guan Cun E Rd, Beijing 100190, Peoples R China
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Gao, Xian,Gao, XA , Chinese Acad Sci, Kavli Inst Theoret Phys China, Key Lab Frontiers Theoret Phys, Inst Theoret Phys, 55 Zhong Guan Cun E Rd, Beijing 100190, Peoples R China. Nonlinear CMB temperature anisotropy from gravitational perturbations[J]. PHYSICAL REVIEW D,2010,82(10):-.
APA Gao, Xian,&Gao, XA , Chinese Acad Sci, Kavli Inst Theoret Phys China, Key Lab Frontiers Theoret Phys, Inst Theoret Phys, 55 Zhong Guan Cun E Rd, Beijing 100190, Peoples R China.(2010).Nonlinear CMB temperature anisotropy from gravitational perturbations.PHYSICAL REVIEW D,82(10),-.
MLA Gao, Xian,et al."Nonlinear CMB temperature anisotropy from gravitational perturbations".PHYSICAL REVIEW D 82.10(2010):-.
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