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Chen, Xingang; Hu, Bin; Huang, Min-xin; Shiu, Gary; Wang, Yi; Chen, XG , MIT, Ctr Theoret Phys, Cambridge, MA 02139 USA
Large primordial trispectra in general single field inflation
发表期刊JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
关键词Non-gaussianity K-inflation Perturbations
摘要We compute the large scalar four-point correlation functions in general single field inflation models, where the inflaton Lagrangian is an arbitrary function of the inflaton and its first derivative. We find that the leading order trispectra have four different shapes determined by three parameters. We study features in these shapes that can be used to distinguish among themselves, and between them and the trispectra of the local form. For the purpose of data analyses, we give two simple representative forms for these "equilateral trispectra". We also study the effects on the trispectra if the initial state of inflation deviates from the standard Bunch-Davies vacuum.
2009
ISSN1475-7516
期号8页码:-
学科领域Physics
收录类别SCI
项目资助者US Department of Energy[DEFG02-05ER41360]; Chinese Academy of Sciences[KJCX3-SYW-N2]; NSFC[10821504, 10525060, 10535060/A050207]; NSF CAREER[PHY-0348093]; DOE[DE-FG-02-95ER40896]; Research Corporation; University of Wisconsin; John Simon Guggenheim Memorial Foundation Fellowship; Ambrose Monell Foundation; 973 project[2007CB815401] ; US Department of Energy[DEFG02-05ER41360]; Chinese Academy of Sciences[KJCX3-SYW-N2]; NSFC[10821504, 10525060, 10535060/A050207]; NSF CAREER[PHY-0348093]; DOE[DE-FG-02-95ER40896]; Research Corporation; University of Wisconsin; John Simon Guggenheim Memorial Foundation Fellowship; Ambrose Monell Foundation; 973 project[2007CB815401] ; US Department of Energy[DEFG02-05ER41360]; Chinese Academy of Sciences[KJCX3-SYW-N2]; NSFC[10821504, 10525060, 10535060/A050207]; NSF CAREER[PHY-0348093]; DOE[DE-FG-02-95ER40896]; Research Corporation; University of Wisconsin; John Simon Guggenheim Memorial Foundation Fellowship; Ambrose Monell Foundation; 973 project[2007CB815401] ; US Department of Energy[DEFG02-05ER41360]; Chinese Academy of Sciences[KJCX3-SYW-N2]; NSFC[10821504, 10525060, 10535060/A050207]; NSF CAREER[PHY-0348093]; DOE[DE-FG-02-95ER40896]; Research Corporation; University of Wisconsin; John Simon Guggenheim Memorial Foundation Fellowship; Ambrose Monell Foundation; 973 project[2007CB815401]
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被引频次:75[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/311006/5272
专题理论物理所科研产出_SCI论文
通讯作者Chen, XG , MIT, Ctr Theoret Phys, Cambridge, MA 02139 USA
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GB/T 7714
Chen, Xingang,Hu, Bin,Huang, Min-xin,et al. Large primordial trispectra in general single field inflation[J]. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS,2009(8):-.
APA Chen, Xingang,Hu, Bin,Huang, Min-xin,Shiu, Gary,Wang, Yi,&Chen, XG , MIT, Ctr Theoret Phys, Cambridge, MA 02139 USA.(2009).Large primordial trispectra in general single field inflation.JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS(8),-.
MLA Chen, Xingang,et al."Large primordial trispectra in general single field inflation".JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS .8(2009):-.
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