ITP OpenIR  > SCI期刊论文
Zhao, W; Huang, QG; Zhao, W (reprint author), Korea Astron & Space Sci Inst, Int Ctr Astrophys, Taejon 305348, South Korea.
Testing inflationary consistency relations by the potential CMB observations
Source PublicationCLASSICAL AND QUANTUM GRAVITY
Language英语
KeywordPolarization Power Spectra Microwave Background Polarization Relic Gravitational-waves Probe Wmap Observations Cosmological Perturbations Early Universe Gravity-waves K-inflation Anisotropy Temperature
AbstractTesting 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.
2011
ISSN0264-9381
Volume28Issue:23Pages:235003
Subject AreaPhysics
Indexed BySCI
Funding OrganizationNSFC [11173021, 11075141, 10975167]; Chinese Academy of Science ; NSFC [11173021, 11075141, 10975167]; Chinese Academy of Science ; NSFC [11173021, 11075141, 10975167]; Chinese Academy of Science ; NSFC [11173021, 11075141, 10975167]; Chinese Academy of Science
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Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/14212
CollectionSCI期刊论文
Corresponding AuthorZhao, W (reprint author), Korea Astron & Space Sci Inst, Int Ctr Astrophys, Taejon 305348, South Korea.
Recommended Citation
GB/T 7714
Zhao, W,Huang, QG,Zhao, W . Testing inflationary consistency relations by the potential CMB observations[J]. CLASSICAL AND QUANTUM GRAVITY,2011,28(23):235003.
APA Zhao, W,Huang, QG,&Zhao, W .(2011).Testing inflationary consistency relations by the potential CMB observations.CLASSICAL AND QUANTUM GRAVITY,28(23),235003.
MLA Zhao, W,et al."Testing inflationary consistency relations by the potential CMB observations".CLASSICAL AND QUANTUM GRAVITY 28.23(2011):235003.
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