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题名: General single field inflation with large positive non-Gaussianity
作者: Li, Miao ;  Wang, Tower ;  Wang, Yi
刊名: JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
出版日期: 2008
期号: 3, 页码:-
关键词: K-INFLATION ;  PERTURBATIONS
学科分类: Physics
通讯作者: Li, M , Univ Sci & Technol China, Interdisciplinary Ctr Theoret Studies, Hefei 230026, Anhui, Peoples R China
部门归属: Univ Sci & Technol China, Interdisciplinary Ctr Theoret Studies, Hefei 230026, Anhui, Peoples R China; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
英文摘要: Recent analysis of the WMAP three-year data suggests f(NL)(local) NL similar or equal to 86.8 in the WMAP convention. It is necessary to make sure whether general single. field inflation can produce a large positive fNL before turning to other scenarios. We give some examples to generate a large positive f(NL)(equil) in general single inflation. Our models are different from ghost inflation. Due to the appearance of non-conventional kinetic terms, f(NL)(equil) NL >> 1 can be realized in single. eld inflation.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000254787200001
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/5573
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:
Li, Miao,Wang, Tower,Wang, Yi. General single field inflation with large positive non-Gaussianity[J]. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS,2008(3):-.
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