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New constraints on anisotropic rotation of CMB polarization
Li, Mingzhe1; Yu, Bo2,3
2013-06-01
Source PublicationJOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
Volume2013Issue:6
AbstractThe coupling of a scalar field to electromagnetic field via the Chern-Simons term will rotate the polarization directions of the cosmic microwave background radiation. The rotation angle which relies on the distribution of the scalar field on the CMB sky is direction dependent. Such anisotropies will give rise to new distortions to the power spectra of CMB polarization and it can be used to probe the detailed physics of the scalar field. In this paper we use the updated observational data to constrain the anisotropic rotation angle in a model independent way. We find that the dominant effect of the anisotropic rotation on CMB comes from its variance and it is constrained tightly by the current data.
KeywordCosmological Parameters From Cmbr Cosmological Perturbation Theory Cmbr Theory
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1088/1475-7516/2013/06/016
WOS KeywordTESTING CPT SYMMETRY ; BARYON ASYMMETRY ; VIOLATION ; LORENTZ
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics ; Physics
WOS SubjectAstronomy & Astrophysics ; Physics, Particles & Fields
WOS IDWOS:000321200100016
Citation statistics
Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/10057
Collection南极天文中心
Affiliation1.Univ Sci & Technol China, Interdisciplinary Ctr Theoret Study, Hefei 230026, Anhui, Peoples R China
2.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Jiangsu, Peoples R China
3.Nanjing Univ, Joint Ctr Particle Nucl Phys & Cosmol, Purple Mt Observ, Nanjing 210093, Jiangsu, Peoples R China
Recommended Citation
GB/T 7714
Li, Mingzhe,Yu, Bo. New constraints on anisotropic rotation of CMB polarization[J]. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS,2013,2013(6).
APA Li, Mingzhe,&Yu, Bo.(2013).New constraints on anisotropic rotation of CMB polarization.JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS,2013(6).
MLA Li, Mingzhe,et al."New constraints on anisotropic rotation of CMB polarization".JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS 2013.6(2013).
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