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题名: Testing inflationary consistency relations by the potential CMB observations
作者: Zhao, W ;  Huang, QG
刊名: CLASSICAL AND QUANTUM GRAVITY
出版日期: 2011
卷号: 28, 期号:23, 页码:235003
关键词: POLARIZATION POWER SPECTRA ;  MICROWAVE BACKGROUND POLARIZATION ;  RELIC GRAVITATIONAL-WAVES ;  PROBE WMAP OBSERVATIONS ;  COSMOLOGICAL PERTURBATIONS ;  EARLY UNIVERSE ;  GRAVITY-WAVES ;  K-INFLATION ;  ANISOTROPY ;  TEMPERATURE
学科分类: Physics
通讯作者: Zhao, W (reprint author), Korea Astron & Space Sci Inst, Int Ctr Astrophys, Taejon 305348, South Korea.
部门归属: [Zhao, Wen] Korea Astron & Space Sci Inst, Int Ctr Astrophys, Taejon 305348, South Korea; [Zhao, Wen] Univ Copenhagen, Niels Bohr Inst, DK-2100 Copenhagen, Denmark; [Huang, Qing-Guo] Chinese Acad Sci, Key Lab Frontiers Theoret Phys, Inst Theoret Phys, Beijing 100190, Peoples R China
英文摘要: Testing the so-called consistency relations plays an important role in distinguishing the different classes of inflation models. In this paper, we investigate the possible testing for various single-field inflation models based on the potential future observations of the cosmic microwave background (CMB) radiation, including the planned CMBPol mission and the ideal CMB experiment where only the reduced cosmic weak lensing contamination for the B-mode polarization is considered. We find that for the canonical single-field inflation, the phantom inflation and the potential-driven G-inflation, the consistency relations are quite hard to be tested: the testing is possible only if r > 0.14 for the CMBPol mission, and r > 0.06 for the ideal experiment. However, the situation could become much more optimistic for the general Lorentz-invariant single-field inflation model with large non-local non-Gaussian signal. We find that testing the latter class of inflation is possible if r greater than or similar to 10(-2) or even smaller for both CMBPol and ideal CMB experiments.
资助者: NSFC [11173021, 11075141, 10975167]; Chinese Academy of Science
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000298321000003
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/14212
Appears in Collections:理论物理所2011年知识产出_期刊论文

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Recommended Citation:
Zhao, W,Huang, QG. Testing inflationary consistency relations by the potential CMB observations[J]. CLASSICAL AND QUANTUM GRAVITY,2011,28(23):235003.
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