ITP OpenIR  > 理论物理所2013年知识产出
Large local non-Gaussianity from general ultra slow-roll inflation
Huang, QG; Wang, Y; Huang, QG (reprint author), Chinese Acad Sci, Inst Theoret Phys, Kavli Inst Theoret Phys China, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
2013
发表期刊JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
ISSN1475-7516
期号6页码:35
摘要We investigate the local non-Gaussian signatures of general ultra slow-roll inflation. The bispectrum and the trispectrum are calculated with general initial conditions. We show that the prediction of local non-Gaussianity is robust against generalizing the Bunch-Davies vacuum in such a model. Even though the bispectrum in this model is tightly constrained by Planck, the trispectrum can still be large enough to be detected by future cosmological observations potentially. We also show that the Suyama-Yamaguchi relation is saturated in this scenario.
部门归属[Huang, Qing-Guo] Chinese Acad Sci, Inst Theoret Phys, Kavli Inst Theoret Phys China, State Key Lab Theoret Phys, Beijing 100190, Peoples R China; [Wang, Yi] Univ Tokyo, Todai Inst Adv Study, Kavli Inst Phys & Math Universe WPI, Kashiwa, Chiba 2778583, Japan
关键词Universe Flatness Horizon
学科领域Physics
资助者Knowledge Innovation Program of Chinese Academy of Science; NSFC [10821504]; Kavli Institute for the Physics and Mathematics of the Universe (WPI) ; Knowledge Innovation Program of Chinese Academy of Science; NSFC [10821504]; Kavli Institute for the Physics and Mathematics of the Universe (WPI) ; Knowledge Innovation Program of Chinese Academy of Science; NSFC [10821504]; Kavli Institute for the Physics and Mathematics of the Universe (WPI) ; Knowledge Innovation Program of Chinese Academy of Science; NSFC [10821504]; Kavli Institute for the Physics and Mathematics of the Universe (WPI)
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收录类别SCI
语种英语
资助者Knowledge Innovation Program of Chinese Academy of Science; NSFC [10821504]; Kavli Institute for the Physics and Mathematics of the Universe (WPI) ; Knowledge Innovation Program of Chinese Academy of Science; NSFC [10821504]; Kavli Institute for the Physics and Mathematics of the Universe (WPI) ; Knowledge Innovation Program of Chinese Academy of Science; NSFC [10821504]; Kavli Institute for the Physics and Mathematics of the Universe (WPI) ; Knowledge Innovation Program of Chinese Academy of Science; NSFC [10821504]; Kavli Institute for the Physics and Mathematics of the Universe (WPI)
WOS记录号WOS:000321200100035
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被引频次:12[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/311006/15349
专题理论物理所2013年知识产出
通讯作者Huang, QG (reprint author), Chinese Acad Sci, Inst Theoret Phys, Kavli Inst Theoret Phys China, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
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GB/T 7714
Huang, QG,Wang, Y,Huang, QG . Large local non-Gaussianity from general ultra slow-roll inflation[J]. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS,2013(6):35.
APA Huang, QG,Wang, Y,&Huang, QG .(2013).Large local non-Gaussianity from general ultra slow-roll inflation.JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS(6),35.
MLA Huang, QG,et al."Large local non-Gaussianity from general ultra slow-roll inflation".JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS .6(2013):35.
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