ITP OpenIR  > 2011年知识产出
Spectral index and running of g(NL) from an isocurvature scalar field
Huang, QG; Huang, QG (reprint author), Chinese Acad Sci, Kavli Inst Theoret Phys China, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, Beijing 100190, Peoples R China.
2011
发表期刊JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
ISSN1475-7516
期号4页码:10
摘要It is possible that the primordial non-Gaussianity is dominated by the higher order terms, such as that set by g(NL), not f(NL). In this paper we re-derive the spectral index and work out the running of g(NL) from a single isocurvature scalar field. The scale dependences of non-Gaussianity parameters are detectable if the mass of isocurvature field is not too small compared to the Hubble parameter during inflation. In addition, we also apply our results to investigate the curvaton model with near quadratic potential in detail.
部门归属Chinese Acad Sci, Kavli Inst Theoret Phys China, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, Beijing 100190, Peoples R China
关键词Non-gaussianity Inflation Perturbations
学科领域Physics
资助者Chinese Academy of Science; NSFC ; Chinese Academy of Science; NSFC ; Chinese Academy of Science; NSFC ; Chinese Academy of Science; NSFC
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收录类别SCI
语种英语
资助者Chinese Academy of Science; NSFC ; Chinese Academy of Science; NSFC ; Chinese Academy of Science; NSFC ; Chinese Academy of Science; NSFC
WOS记录号WOS:000291259000010
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被引频次:3[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/311006/14377
专题2011年知识产出
通讯作者Huang, QG (reprint author), Chinese Acad Sci, Kavli Inst Theoret Phys China, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, Beijing 100190, Peoples R China.
推荐引用方式
GB/T 7714
Huang, QG,Huang, QG . Spectral index and running of g(NL) from an isocurvature scalar field[J]. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS,2011(4):10.
APA Huang, QG,&Huang, QG .(2011).Spectral index and running of g(NL) from an isocurvature scalar field.JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS(4),10.
MLA Huang, QG,et al."Spectral index and running of g(NL) from an isocurvature scalar field".JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS .4(2011):10.
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