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Gao, Q; Gong, YG; Gong, YG (reprint author), Huazhong Univ Sci & Technol, Sch Phys, MOE Key Lab Fundamental Quant Measurement, Wuhan 430074, Peoples R China.
The challenge for single field inflation with BICEP2 result
Source PublicationPHYSICS LETTERS B
Language英语
AbstractThe detection of B-mode power spectrum by the BICEP2 collaboration constrains the tensor-to-scalar ratio r = 0.20(-0.05)(+0.07) for the lensed-Lambda CDM model. The consistency of this big value with the Planck results requires a large running of the spectral index. The large values of the tensor-to-scalar ratio and the running of the spectral index put a challenge to single field inflation. For the chaotic inflation, the larger the value of the tensor-to-scalar ratio is, the smaller the value of the running of the spectral index is. For the natural inflation, the absolute value of the running of the spectral index has an upper limit. (C) 2014 The Authors. Published by Elsevier B.V.
2014
ISSN0370-2693
Volume734Pages:41-43
Subject AreaPhysics
DOI10.1016/j.physletb.2014.05.018
Indexed BySCI
Funding OrganizationNational Basic Science Program (Project 973) of China [2010CB833004]; NNSF of China [11175270]; Program for New Century Excellent Talents in University [NCET-12-0205]; Fundamental Research Funds for the Central Universities [2013YQ055] ; National Basic Science Program (Project 973) of China [2010CB833004]; NNSF of China [11175270]; Program for New Century Excellent Talents in University [NCET-12-0205]; Fundamental Research Funds for the Central Universities [2013YQ055] ; National Basic Science Program (Project 973) of China [2010CB833004]; NNSF of China [11175270]; Program for New Century Excellent Talents in University [NCET-12-0205]; Fundamental Research Funds for the Central Universities [2013YQ055] ; National Basic Science Program (Project 973) of China [2010CB833004]; NNSF of China [11175270]; Program for New Century Excellent Talents in University [NCET-12-0205]; Fundamental Research Funds for the Central Universities [2013YQ055]
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Cited Times:31[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/15730
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,Gong, YG . The challenge for single field inflation with BICEP2 result[J]. PHYSICS LETTERS B,2014,734:41-43.
APA Gao, Q,Gong, YG,&Gong, YG .(2014).The challenge for single field inflation with BICEP2 result.PHYSICS LETTERS B,734,41-43.
MLA Gao, Q,et al."The challenge for single field inflation with BICEP2 result".PHYSICS LETTERS B 734(2014):41-43.
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