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    題名: Reconstruction of CMB temperature anisotropies with primordial CMB induced polarization in galaxy clusters
    作者: Liu, Guo-Chin;Ichiki, Kiyotomo;Tashiro, Hiroyuki;Sugiyama, Naoshi
    關鍵詞: cosmology;theory
    日期: 2016-07-21
    上傳時間: 2017-03-23 02:10:38 (UTC+8)
    出版者: Oxford University Press
    摘要: Scattering of cosmic microwave background (CMB) radiation in galaxy clusters induces
    polarization signals determined by the quadrupole anisotropy in the photon
    distribution at the location of clusters. This ”remote quadrupole” derived from the
    measurements of the induced polarization in galaxy clusters provides an opportunity
    of reconstruction of local CMB temperature anisotropies. In this Letter we develop an
    algorithm of the reconstruction through the estimation of the underlying primordial
    gravitational potential, which is the origin of the CMB temperature and polarization
    fluctuations and CMB induced polarization in galaxy clusters. We found a nice reconstruction
    for the quadrupole and octopole components of the CMB temperature
    anisotropies with the assistance of the CMB induced polarization signals. The reconstruction
    can be an important consistency test on the puzzles of CMB anomaly,
    especially for the low quadrupole and axis of evil problems reported in WMAP and
    Planck data.
    關聯: Monthly Notices of the Royal Astronomical Society: Letters 460(1), pp.104-108
    DOI: 10.1093/mnrasl/slw085
    顯示於類別:[物理學系暨研究所] 期刊論文

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