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Reconstruction of the primordial power spectrum from CMB data
Guo, ZK; Schwarz, DJ; Zhang, YZ; Guo, ZK (reprint author), Chinese Acad Sci, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, POB 2735, Beijing 100190, Peoples R China.
2011
发表期刊JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
ISSN1475-7516
期号8页码:31
摘要Measuring the deviation from scale invariance of the primordial power spectrum is a critical test of inflation. In this paper we reconstruct the shape of the primordial power spectrum of curvature perturbations from the cosmic microwave background data, including the 7-year Wilkinson Microwave Anisotropy Probe data and the Atacama Cosmology Telescope 148 GHz data, by using a binning method of a cubic spline interpolation in log-log space. We find that the power-law spectrum is preferred by the data and that the Harrison-Zel'dovich spectrum is disfavored at 95% confidence level. These conclusions hold with and without allowing for tensor modes, however the simpler model without tensors is preferred by the data. We do not find evidence for a feature in the primordial power spectrum - in full agreement with generic predictions from cosmological inflation.
部门归属[Guo, Zong-Kuan; Zhang, Yuan-Zhong] Chinese Acad Sci, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, Beijing 100190, Peoples R China; [Guo, Zong-Kuan; Schwarz, Dominik J.] Univ Bielefeld, Fak Phys, D-33501 Bielefeld, Germany
关键词Observations Cosmological Interpretation Wmap Data Anisotropy Model
学科领域Physics
资助者Alexander von Humboldt Foundation; Chinese Academy of Science; National Basic Research Program of China [2010CB832805]; Deutsche Forschungsgemeinschaft (DFG) ; Alexander von Humboldt Foundation; Chinese Academy of Science; National Basic Research Program of China [2010CB832805]; Deutsche Forschungsgemeinschaft (DFG) ; Alexander von Humboldt Foundation; Chinese Academy of Science; National Basic Research Program of China [2010CB832805]; Deutsche Forschungsgemeinschaft (DFG) ; Alexander von Humboldt Foundation; Chinese Academy of Science; National Basic Research Program of China [2010CB832805]; Deutsche Forschungsgemeinschaft (DFG) ; Alexander von Humboldt Foundation; Chinese Academy of Science; National Basic Research Program of China [2010CB832805]; Deutsche Forschungsgemeinschaft (DFG) ; Alexander von Humboldt Foundation; Chinese Academy of Science; National Basic Research Program of China [2010CB832805]; Deutsche Forschungsgemeinschaft (DFG) ; Alexander von Humboldt Foundation; Chinese Academy of Science; National Basic Research Program of China [2010CB832805]; Deutsche Forschungsgemeinschaft (DFG) ; Alexander von Humboldt Foundation; Chinese Academy of Science; National Basic Research Program of China [2010CB832805]; Deutsche Forschungsgemeinschaft (DFG)
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收录类别SCI
语种英语
资助者Alexander von Humboldt Foundation; Chinese Academy of Science; National Basic Research Program of China [2010CB832805]; Deutsche Forschungsgemeinschaft (DFG) ; Alexander von Humboldt Foundation; Chinese Academy of Science; National Basic Research Program of China [2010CB832805]; Deutsche Forschungsgemeinschaft (DFG) ; Alexander von Humboldt Foundation; Chinese Academy of Science; National Basic Research Program of China [2010CB832805]; Deutsche Forschungsgemeinschaft (DFG) ; Alexander von Humboldt Foundation; Chinese Academy of Science; National Basic Research Program of China [2010CB832805]; Deutsche Forschungsgemeinschaft (DFG) ; Alexander von Humboldt Foundation; Chinese Academy of Science; National Basic Research Program of China [2010CB832805]; Deutsche Forschungsgemeinschaft (DFG) ; Alexander von Humboldt Foundation; Chinese Academy of Science; National Basic Research Program of China [2010CB832805]; Deutsche Forschungsgemeinschaft (DFG) ; Alexander von Humboldt Foundation; Chinese Academy of Science; National Basic Research Program of China [2010CB832805]; Deutsche Forschungsgemeinschaft (DFG) ; Alexander von Humboldt Foundation; Chinese Academy of Science; National Basic Research Program of China [2010CB832805]; Deutsche Forschungsgemeinschaft (DFG)
WOS记录号WOS:000294758200031
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被引频次:12[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/311006/14304
专题理论物理所SCI论文
通讯作者Guo, ZK (reprint author), Chinese Acad Sci, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, POB 2735, Beijing 100190, Peoples R China.
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Guo, ZK,Schwarz, DJ,Zhang, YZ,et al. Reconstruction of the primordial power spectrum from CMB data[J]. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS,2011(8):31.
APA Guo, ZK,Schwarz, DJ,Zhang, YZ,&Guo, ZK .(2011).Reconstruction of the primordial power spectrum from CMB data.JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS(8),31.
MLA Guo, ZK,et al."Reconstruction of the primordial power spectrum from CMB data".JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS .8(2011):31.
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