Polarization Signal of Distant Clusters and Reconstruction of Primordial Potential Fluctuations

Details Polarization Signal of Distant Clusters and Reconstruction of Primordial Potential Fluctuations Polarization Signal of Distant Clusters and Reconstruction of Primordial Potential Fluctuations

2000-09-14

arxiv.org/abs/astro-ph/0009222v1

Phys.Rev.D62:123004,2000

Astronomy and Astrophysics

Astrophysics

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

Scientific paper

10.1103/PhysRevD.62.123004

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.

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