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Large primordial trispectra in general single field inflation
Chen, Xingang; Hu, Bin; Huang, Min-xin; Shiu, Gary; Wang, Yi; Chen, XG , MIT, Ctr Theoret Phys, Cambridge, MA 02139 USA
2009
发表期刊JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
ISSN1475-7516
期号8页码:-
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.
部门归属[Chen, XG] MIT, Ctr Theoret Phys, Cambridge, MA 02139 USA; [Hu, B; Wang, Y] Chinese Acad Sci, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, Kavli Inst Theoret Phys China, Beijing 100190, Peoples R China; [Huang, MX] CERN, Dept Phys, Div Theory, CH-1211 Geneva, Switzerland; [Shiu, G] Univ Wisconsin, Dept Phys, Madison, WI 53706 USA; [Shiu, G] Inst Adv Study, Sch Nat Sci, Princeton, NJ 08540 USA
关键词Non-gaussianity K-inflation Perturbations
学科领域Physics
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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收录类别SCI
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]
WOS记录号WOS:000270036800008
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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1978-2010年知识产出
通讯作者Chen, XG , MIT, Ctr Theoret Phys, Cambridge, MA 02139 USA
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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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