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题名: Simple single field inflation models and the running of spectral index
作者: Gao, Q ;  Gong, YG ;  Li, TJ ;  Ye, T
刊名: SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY
出版日期: 2014
卷号: 57, 期号:8, 页码:1442-1448
关键词: CHAOTIC INFLATION ;  SUPERGRAVITY ;  SCALE ;  ANISOTROPY ;  SYMMETRY
学科分类: Physics
DOI: 10.1007/s11433-014-5519-9
通讯作者: Gong, YG (reprint author), Huazhong Univ Sci & Technol, Sch Phys, MOE Key Lab Fundamental Quant Measurement, Wuhan 430074, Peoples R China.
部门归属: [Gao Qing ;  Gong YunGui] Huazhong Univ Sci & Technol, Sch Phys, MOE Key Lab Fundamental Quant Measurement, Wuhan 430074, Peoples R China ;  [Li TianJun] Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China ;  [Li TianJun] Chinese Acad Sci, Inst Theoret Phys, Kavli Inst Theoret Phys China, Beijing 100190, Peoples R China ;  [Li TianJun ;  Ye Tian] Univ Elect Sci & Technol China, Sch Phys Elect, Chengdu 610054, Peoples R China
英文摘要: The BICEP2 experiment confirms the existence of primordial gravitational wave with the tensor-to-scalar ratio r = 0 ruled out at 7 sigma level. The consistency of this large value of r with the Planck data requires a large negative running n'(s) of the scalar spectral index. Herein we propose two types of the single field inflation models with simple potentials to study the possibility of the consistency of the models with the BICEP2 and Planck observations. One type of model suggested herein is realized in the supergravity model building. These models fail to provide the needed n'(s) even though both can fit the tensor-to-scalar ratio and spectral index.
资助者: National Natural Science Foundation of China [11075194, 11135003, 11175270, 11275246]; National Basic Research Program of China [2010CB833000]; Program for New Century Excellent Talents in University [NCET-12-0205]; Fundamental Research Funds for the Central Universities [2013YQ055]
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000339365800004
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15694
Appears in Collections:理论物理所2014年知识产出 _期刊论文

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Recommended Citation:
Gao, Q,Gong, YG,Li, TJ,et al. Simple single field inflation models and the running of spectral index[J]. SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,2014,57(8):1442-1448.
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