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General single field inflation with large positive non-Gaussianity
Li, Miao; Wang, Tower; Wang, Yi; Li, M , Univ Sci & Technol China, Interdisciplinary Ctr Theoret Studies, Hefei 230026, Anhui, Peoples R China
2008
发表期刊JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
ISSN1475-7516
期号3页码:-
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.
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
关键词K-inflation Perturbations
学科领域Physics
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收录类别SCI
WOS记录号WOS:000254787200001
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被引频次:37[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/311006/5573
专题理论物理所SCI论文
通讯作者Li, M , Univ Sci & Technol China, Interdisciplinary Ctr Theoret Studies, Hefei 230026, Anhui, Peoples R China
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GB/T 7714
Li, Miao,Wang, Tower,Wang, Yi,et al. General single field inflation with large positive non-Gaussianity[J]. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS,2008(3):-.
APA Li, Miao,Wang, Tower,Wang, Yi,&Li, M , Univ Sci & Technol China, Interdisciplinary Ctr Theoret Studies, Hefei 230026, Anhui, Peoples R China.(2008).General single field inflation with large positive non-Gaussianity.JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS(3),-.
MLA Li, Miao,et al."General single field inflation with large positive non-Gaussianity".JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS .3(2008):-.
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