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题名: Forecasting sensitivity on tilt of power spectrum of primordial gravitational waves after Planck satellite
作者: Huang, QG;  Wang, S;  Zhao, W
刊名: JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
出版日期: 2015
期号: 10, 页码:35
关键词: CMBR polarisation ;  gravitational waves and CMBR polarization
学科分类: Astronomy & Astrophysics ;  Physics
DOI: http://dx.doi.org/10.1088/1475-7516/2015/10/035
通讯作者: Huang, QG (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
文章类型: Article
英文摘要: By taking into account the contamination of foreground radiations, we employ the Fisher matrix to forecast the future sensitivity on the tilt of power spectrum of primordial tensor perturbations for several ground-based (AdvACT, CLASS, Keck/BICEP3, Simons Array, SPT-3G), balloon-borne (EBEX, Spider) and satellite (CMBPol, COrE, LiteBIRD) experiments of B-mode polarizations. For the fiducial model n(t) = 0, our results show that the satellite experiments give good sensitivity on the tensor tilt n(t) to the level sigma(nt) less than or similar to 0.1 for r greater than or similar to 2 x 10(-3), while the ground-based and balloon-borne experiments give worse sensitivity. By considering the BICEP2/Keck Array and Planck (BKP) constraint on the tensor-to-scalar ratio r, we see that it is impossible for these experiments to test the consistency relation n(t) = -r/8 in the canonical single-field slow-roll inflation models.
类目[WOS]: Astronomy & Astrophysics ;  Physics, Particles & Fields
关键词[WOS]: INFLATIONARY UNIVERSE ;  POLARIZATION ;  ANISOTROPIES ;  FLATNESS ;  HORIZON ;  MODELS ;  PROBE
收录类别: SCI
项目资助者: NSFC [11322545, 11335012, 11575271, 11173021, 11322324, 11421303] ;  Project 973 [2012CB821804] ;  KIP ;  CAS
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/20843
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Recommended Citation:
Huang, QG,Wang, S,Zhao, W. Forecasting sensitivity on tilt of power spectrum of primordial gravitational waves after Planck satellite[J]. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS,2015(10):35.
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