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Curvaton dynamics and the non-linearity parameters in the curvaton model
Huang, Qing-Guo; Wang, Yi; Huang, QG , Korea Inst Adv Study, Sch Phys, 207-43 Cheongryangri Dong, Seoul 130722, South Korea
2008
发表期刊JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
ISSN1475-7516
期号9页码:-
摘要We investigate the curvaton dynamics and the non-linearity parameters in the curvaton model with a potential slightly deviating from the quadratic form in detail. The non-linearity parameter gNL will show up due to the curvaton self-interaction. We also point out that the leading order of the non-quadratic term in the curvaton potential can be negative, for example in the axion-type curvaton model. If a large positive gNL is detected, the axion-type curvaton model will be preferred.
部门归属[Huang, QG] Korea Inst Adv Study, Sch Phys, Seoul 130722, South Korea; [Wang, Y] Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; [Wang, Y] Univ Sci & Technol China, Interdisciplinary Ctr Theoret Study, Hefei 230026, Anhui, Peoples R China
关键词Inflationary Universe Scenario Fluctuations Cosmology Flatness Horizon
学科领域Physics
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收录类别SCI
WOS记录号WOS:000259700200004
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被引频次:47[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/311006/5473
专题理论物理所1978-2010年知识产出
通讯作者Huang, QG , Korea Inst Adv Study, Sch Phys, 207-43 Cheongryangri Dong, Seoul 130722, South Korea
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Huang, Qing-Guo,Wang, Yi,Huang, QG , Korea Inst Adv Study, Sch Phys, 207-43 Cheongryangri Dong, Seoul 130722, South Korea. Curvaton dynamics and the non-linearity parameters in the curvaton model[J]. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS,2008(9):-.
APA Huang, Qing-Guo,Wang, Yi,&Huang, QG , Korea Inst Adv Study, Sch Phys, 207-43 Cheongryangri Dong, Seoul 130722, South Korea.(2008).Curvaton dynamics and the non-linearity parameters in the curvaton model.JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS(9),-.
MLA Huang, Qing-Guo,et al."Curvaton dynamics and the non-linearity parameters in the curvaton model".JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS .9(2008):-.
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