ITP OpenIR  > 理论物理所2013年知识产出
Inflation coupled to a Gauss-Bonnet term
Jiang, PX; Hu, JW; Guo, ZK; Jiang, PX (reprint author), Beijing Normal Univ, Dept Astron, Beijing 100875, Peoples R China.
2013
发表期刊PHYSICAL REVIEW D
ISSN1550-7998
卷号88期号:12页码:123508
摘要The newly released Planck cosmic microwave background data place tight constraints on slow-roll inflationary models. Some commonly discussed inflationary potentials are disfavored due mainly to the large tensor-to-scalar ratio. In this paper we show that these potentials may be in good agreement with the Planck data when the inflaton has a nonminimal coupling to the Gauss-Bonnet term. Moreover, such a coupling violates the consistency relation between the tensor spectral index and tensor-to-scalar ratio. If the tensor spectral index is allowed to vary freely, the Planck constraints on the tensor-to-scalar ratio are slightly improved.
部门归属[Jiang, Peng-Xu] Beijing Normal Univ, Dept Astron, Beijing 100875, Peoples R China; [Jiang, Peng-Xu; Hu, Jian-Wei; Guo, Zong-Kuan] Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China
关键词Dark Energy Cosmology Gravity Models Universe Dilaton Bulk
学科领域Physics
资助者Chinese Academy of Science, NSFC [11175225]; National Basic Research Program of China [2010CB832805] ; Chinese Academy of Science, NSFC [11175225]; National Basic Research Program of China [2010CB832805] ; Chinese Academy of Science, NSFC [11175225]; National Basic Research Program of China [2010CB832805] ; Chinese Academy of Science, NSFC [11175225]; National Basic Research Program of China [2010CB832805]
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收录类别SCI
语种英语
资助者Chinese Academy of Science, NSFC [11175225]; National Basic Research Program of China [2010CB832805] ; Chinese Academy of Science, NSFC [11175225]; National Basic Research Program of China [2010CB832805] ; Chinese Academy of Science, NSFC [11175225]; National Basic Research Program of China [2010CB832805] ; Chinese Academy of Science, NSFC [11175225]; National Basic Research Program of China [2010CB832805]
WOS记录号WOS:000328602900007
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被引频次:21[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/311006/15211
专题理论物理所2013年知识产出
通讯作者Jiang, PX (reprint author), Beijing Normal Univ, Dept Astron, Beijing 100875, Peoples R China.
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Jiang, PX,Hu, JW,Guo, ZK,et al. Inflation coupled to a Gauss-Bonnet term[J]. PHYSICAL REVIEW D,2013,88(12):123508.
APA Jiang, PX,Hu, JW,Guo, ZK,&Jiang, PX .(2013).Inflation coupled to a Gauss-Bonnet term.PHYSICAL REVIEW D,88(12),123508.
MLA Jiang, PX,et al."Inflation coupled to a Gauss-Bonnet term".PHYSICAL REVIEW D 88.12(2013):123508.
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