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题名: Curvaton dynamics and the non-linearity parameters in the curvaton model
作者: Huang, Qing-Guo ;  Wang, Yi
刊名: JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
出版日期: 2008
期号: 9, 页码:-
关键词: INFLATIONARY UNIVERSE SCENARIO ;  FLUCTUATIONS ;  COSMOLOGY ;  FLATNESS ;  HORIZON
学科分类: Physics
通讯作者: Huang, QG , Korea Inst Adv Study, Sch Phys, 207-43 Cheongryangri Dong, Seoul 130722, South Korea
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
英文摘要: 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.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000259700200004
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/5473
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:
Huang, Qing-Guo,Wang, Yi. Curvaton dynamics and the non-linearity parameters in the curvaton model[J]. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS,2008(9):-.
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