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    Title: Imprint of scalar dark energy on cosmic microwave background polarization
    Authors: Lee, Seokcheon;Liu, Guo-Chin;Ng, Kin-Wang
    Contributors: 淡江大學物理學系
    Date: 2014-03-20
    Issue Date: 2015-01-28 11:05:01 (UTC+8)
    Publisher: American Physical Society
    Abstract: We study the imprint of a coupling of scalar dark energy to a photon on the cosmic microwave background polarization. Both the time-evolving field value and the perturbation of the scalar induce B-mode polarization. For a wide range of scalar dark energy models allowed by current observational data, we conclude that future cosmic microwave background data will find either a cosmic parity violation in a temperature-polarization correlation due to the field value, or perturbation-induced B-mode polarization that is indistinguishable from that generated by primordial gravitational waves.
    Relation: Physical Review D 89(6), 063010(4pages)
    DOI: 10.1103/PhysRevD.89.063010
    Appears in Collections:[物理學系暨研究所] 期刊論文

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