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Cosmological CPT violating effect on CMB polarization
Li, MZ; Zhang XM(张新民); Zhang, XM
2008
发表期刊PHYSICAL REVIEW D
卷号78期号:10页码:103516
通讯作者[Li, Mingzhe] Univ Bielefeld, Fak Phys, D-33615 Bielefeld, Germany ; [Li, Mingzhe] Nanjing Univ, Dept Phys, Nanjing 210093, Peoples R China ; [Li, Mingzhe] Nanjing Univ, Purple Mt Observ, Joint Ctr Particle Nucl Phys & Cosmol, Nanjing 210093, Peoples R China ; [Zhang, Xinmin] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China
摘要A dark energy scalar (or a function of the Ricci scalar) coupled with the derivative to the matter fields will violate the CPT symmetry during the expansion of the Universe. This type of cosmological CPT violation helps to generate the baryon number asymmetry and gives rise to the rotation of the photon polarization which can be measured in the astrophysical and cosmological observations, especially the experiments of the cosmic microwave background radiation. In this paper, we derive the rotation angle in a fully general relativistic way and present the rotation formulas used for the cosmic microwave background data analysis. Our formulas include the corrections from the spatial fluctuations of the scalar field. We also estimate the magnitude of these corrections in a class of dynamical dark energy models for quintessential baryo/leptogenesis.
文章类型Article
学科领域Astronomy & Astrophysics; Physics
研究领域[WOS]Astronomy & Astrophysics ; Physics
DOI10.1103/PhysRevD.78.103516
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语种英语
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
WOS记录号WOS:000261214100034
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被引频次:45[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/240909
专题理论物理室
作者单位中国科学院高能物理研究所
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Li, MZ,Zhang XM,Zhang, XM. Cosmological CPT violating effect on CMB polarization[J]. PHYSICAL REVIEW D,2008,78(10):103516.
APA Li, MZ,张新民,&Zhang, XM.(2008).Cosmological CPT violating effect on CMB polarization.PHYSICAL REVIEW D,78(10),103516.
MLA Li, MZ,et al."Cosmological CPT violating effect on CMB polarization".PHYSICAL REVIEW D 78.10(2008):103516.
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