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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
Source PublicationPHYSICAL REVIEW D
KeywordMicrowave Background Anisotropies 2nd-order Perturbations Non-gaussianity Fluctuations Inflation Evolution Models
AbstractNonlinear 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.
2010
ISSN1550-7998
Volume82Issue:10Pages:-
Subject AreaPhysics
Indexed BySCI
Funding OrganizationNSFC[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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Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/5012
Collection理论物理所科研产出_SCI论文
Corresponding AuthorGao, 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
Recommended Citation
GB/T 7714
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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