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The tilt of primordial gravitational waves spectra from BICEP2
Cheng, C; Huang, QG; Huang, QG (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
2014
发表期刊MODERN PHYSICS LETTERS A
ISSN0217-7323
卷号29期号:33页码:1450185
摘要In this paper we constrain the tilt of the spectrum of primordial gravitational waves from Background Imaging of Cosmic Extragalactic Polarization (BICEP2) data only. We find r = 0.21(-0.10)(+0.04) and n(t) = -0.06(-0.23) (+0.25) (at 68% C.L.) which implies that a scale-invariant primordial gravitational waves spectra is consistent with BICEP2 nicely. Our results provide evidence for supporting inflation model, and the alternative models, for example the ekpyrotic model which predicts n(t) = 2, are ruled out at high significance level.
部门归属[Cheng, Cheng ; Huang, Qing-Guo] Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China
关键词Microwave Background Anisotropies Inflationary Universe Hubble Constant Flatness Horizon Wmap
学科领域Physics
资助者Knowledge Innovation Program of Chinese Academy of Science; NSFC [10821504, 11322545, 11335012] ; Knowledge Innovation Program of Chinese Academy of Science; NSFC [10821504, 11322545, 11335012] ; Knowledge Innovation Program of Chinese Academy of Science; NSFC [10821504, 11322545, 11335012] ; Knowledge Innovation Program of Chinese Academy of Science; NSFC [10821504, 11322545, 11335012] ; Knowledge Innovation Program of Chinese Academy of Science; NSFC [10821504, 11322545, 11335012] ; Knowledge Innovation Program of Chinese Academy of Science; NSFC [10821504, 11322545, 11335012] ; Knowledge Innovation Program of Chinese Academy of Science; NSFC [10821504, 11322545, 11335012] ; Knowledge Innovation Program of Chinese Academy of Science; NSFC [10821504, 11322545, 11335012]
DOI10.1142/S0217732314501855
URL查看原文
收录类别SCI
语种英语
资助者Knowledge Innovation Program of Chinese Academy of Science; NSFC [10821504, 11322545, 11335012] ; Knowledge Innovation Program of Chinese Academy of Science; NSFC [10821504, 11322545, 11335012] ; Knowledge Innovation Program of Chinese Academy of Science; NSFC [10821504, 11322545, 11335012] ; Knowledge Innovation Program of Chinese Academy of Science; NSFC [10821504, 11322545, 11335012] ; Knowledge Innovation Program of Chinese Academy of Science; NSFC [10821504, 11322545, 11335012] ; Knowledge Innovation Program of Chinese Academy of Science; NSFC [10821504, 11322545, 11335012] ; Knowledge Innovation Program of Chinese Academy of Science; NSFC [10821504, 11322545, 11335012] ; Knowledge Innovation Program of Chinese Academy of Science; NSFC [10821504, 11322545, 11335012]
WOS记录号WOS:000344748300007
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被引频次:3[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/311006/15601
专题理论物理所SCI论文
通讯作者Huang, QG (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
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GB/T 7714
Cheng, C,Huang, QG,Huang, QG . The tilt of primordial gravitational waves spectra from BICEP2[J]. MODERN PHYSICS LETTERS A,2014,29(33):1450185.
APA Cheng, C,Huang, QG,&Huang, QG .(2014).The tilt of primordial gravitational waves spectra from BICEP2.MODERN PHYSICS LETTERS A,29(33),1450185.
MLA Cheng, C,et al."The tilt of primordial gravitational waves spectra from BICEP2".MODERN PHYSICS LETTERS A 29.33(2014):1450185.
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