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题名: Scale dependences of local form non-Gaussianity parameters from a DBI isocurvature field
作者: Huang, QG ;  Lin, CS
刊名: JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
出版日期: 2011
期号: 10, 页码:5
关键词: INFLATION ;  PERTURBATIONS ;  CURVATON
学科分类: Physics
通讯作者: Huang, QG (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Zhong Guan Cun E St 55, Beijing, Peoples R China.
部门归属: [Huang, Qing-Guo] Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing, Peoples R China; [Lin, Chunshan] Univ Tokyo, Inst Phys & Math Universe, Kashiwa, Chiba 2778583, Japan
英文摘要: We derive the spectral indices and their runnings of local form f(NL) and g(NL) from a DBI isocurvature field and we find that the indices are suppressed by the sound speed c(s). This effect can be interpreted by the Lorentz boost from the viewpoint in the frame where brane is moving.
资助者: Chinese Academy of Science; NSFC
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000296767600005
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/14263
Appears in Collections:理论物理所2011年知识产出_期刊论文

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Recommended Citation:
Huang, QG,Lin, CS. Scale dependences of local form non-Gaussianity parameters from a DBI isocurvature field[J]. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS,2011(10):5.
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