ITP OpenIR  > 理论物理所科研产出  > SCI论文
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.
Large local non-Gaussianity from general ultra slow-roll inflation
Source PublicationJOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
Language英语
KeywordUniverse Flatness Horizon
AbstractWe 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.
2013
ISSN1475-7516
Issue6Pages:35
Subject AreaPhysics
Indexed BySCI
Funding OrganizationKnowledge 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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Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/15349
Collection理论物理所科研产出_SCI论文
Corresponding AuthorHuang, QG (reprint author), Chinese Acad Sci, Inst Theoret Phys, Kavli Inst Theoret Phys China, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
Recommended Citation
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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