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Gao, Q; Gong, YG; Li, TJ; Ye, T; Gong, YG (reprint author), Huazhong Univ Sci & Technol, Sch Phys, MOE Key Lab Fundamental Quant Measurement, Wuhan 430074, Peoples R China.
Simple single field inflation models and the running of spectral index
Source PublicationSCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY
Language英语
KeywordChaotic Inflation Supergravity Scale Anisotropy Symmetry
AbstractThe 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.
2014
ISSN1674-7348
Volume57Issue:8Pages:1442-1448
Subject AreaPhysics
DOI10.1007/s11433-014-5519-9
Indexed BySCI
Funding OrganizationNational 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] ; 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] ; 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] ; 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]
Citation statistics
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/15694
Collection理论物理所科研产出_SCI论文
Corresponding AuthorGong, YG (reprint author), Huazhong Univ Sci & Technol, Sch Phys, MOE Key Lab Fundamental Quant Measurement, Wuhan 430074, Peoples R China.
Recommended Citation
GB/T 7714
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.
APA Gao, Q,Gong, YG,Li, TJ,Ye, T,&Gong, YG .(2014).Simple single field inflation models and the running of spectral index.SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,57(8),1442-1448.
MLA Gao, Q,et al."Simple single field inflation models and the running of spectral index".SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY 57.8(2014):1442-1448.
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