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题名: Observational constraints on the energy scale of inflation
作者: Guo, ZK ;  Schwarz, DJ ;  Zhang, YZ
刊名: PHYSICAL REVIEW D
出版日期: 2011
卷号: 83, 期号:8, 页码:83522
关键词: OBSERVATIONS COSMOLOGICAL INTERPRETATION ;  STANDARD MODEL ;  MICROWAVE ;  RECONSTRUCTION
学科分类: Physics
通讯作者: Guo, ZK (reprint author), Univ Bielefeld, Fak Phys, Postfach 100131, D-33501 Bielefeld, Germany.
部门归属: [Guo, Zong-Kuan; Schwarz, Dominik J.] Univ Bielefeld, Fak Phys, D-33501 Bielefeld, Germany; [Guo, Zong-Kuan] Chinese Acad Sci, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, Beijing 100190, Peoples R China
英文摘要: Determining the energy scale of inflation is crucial to understand the nature of inflation in the early universe. Assuming a power-law power spectrum of primordial curvature perturbations, we place observational constraints on the energy scale of the observable part of the inflaton potential by combining the 7-year Wilkinson Microwave Anisotropy Probe data with distance measurements from the baryon acoustic oscillations in the distribution of galaxies and the Hubble constant measurement. Our analysis provides an upper limit on this energy scale, 2.3 x 10(16) GeV at 95% confidence level. Moreover, we forecast the sensitivity and constraints achievable by the Planck experiment by performing Monte Carlo studies on simulated data. Planck could significantly improve the constraints on the energy scale of inflation and on the shape of the inflaton potential.
资助者: Alexander von Humboldt Foundation; National Basic Research Program of China [2010CB832805]
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000290112500002
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/14367
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Guo, ZK,Schwarz, DJ,Zhang, YZ. Observational constraints on the energy scale of inflation[J]. PHYSICAL REVIEW D,2011,83(8):83522.
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