Polarization Signal of Distant Clusters and Reconstruction of Primordial Potential Fluctuations

Abstract

We examine the polarization signal of the cosmic microwave background radiation associated with distant clusters. The polarization is induced by the Thomson scattering of microwave photons with ionized gas of clusters and contains information of quadrupole temperature anisotropies observed at the clusters. The three-dimensional map of the signal are expressed in terms of the spin-weighted harmonics for its angular dependence. Its radial dependence is expanded perturbatively with respect to the distances (equivalently redshifts) to the clusters. The independent information that we can extract out from the map is clarified explicitly.

14 pages, 4 figures, to appear in Phys.Rev.D

References in corpus (4)

• CMB Anisotropies: Total Angular Momentum Method
• Getting Around Cosmic Variance
• Microwave polarization in the direction of galaxy clusters induced by the CMB quadrupole anisotropy
• New Constraint on Open Cold-Dark-Matter Models

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