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Huang, QG; Wang, S; Zhao, W; Huang, QG (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
Forecasting sensitivity on tilt of power spectrum of primordial gravitational waves after Planck satellite
Source PublicationJOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
Language英语
KeywordCmbr Polarisation Gravitational Waves And Cmbr Polarization
AbstractBy 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.
2015
Issue10Pages:35
Subject AreaAstronomy & Astrophysics ; Physics
DOIhttp://dx.doi.org/10.1088/1475-7516/2015/10/035
Indexed BySCI
Funding OrganizationNSFC [11322545, 11335012, 11575271, 11173021, 11322324, 11421303] ; NSFC [11322545, 11335012, 11575271, 11173021, 11322324, 11421303] ; NSFC [11322545, 11335012, 11575271, 11173021, 11322324, 11421303] ; NSFC [11322545, 11335012, 11575271, 11173021, 11322324, 11421303] ; Project 973 [2012CB821804] ; Project 973 [2012CB821804] ; Project 973 [2012CB821804] ; Project 973 [2012CB821804] ; KIP ; KIP ; KIP ; KIP ; CAS ; CAS ; CAS ; CAS
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/20843
Collection理论物理所科研产出_SCI论文
Corresponding AuthorHuang, QG (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Huang, QG,Wang, S,Zhao, W,et al. Forecasting sensitivity on tilt of power spectrum of primordial gravitational waves after Planck satellite[J]. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS,2015(10):35.
APA Huang, QG,Wang, S,Zhao, W,&Huang, QG .(2015).Forecasting sensitivity on tilt of power spectrum of primordial gravitational waves after Planck satellite.JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS(10),35.
MLA Huang, QG,et al."Forecasting sensitivity on tilt of power spectrum of primordial gravitational waves after Planck satellite".JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS .10(2015):35.
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