Polarization of Sunyaev-Zel'dovich signal due to electron pressure anisotropy in galaxy clusters

@article{Khabibullin2018PolarizationOS,
  title={Polarization of Sunyaev-Zel'dovich signal due to electron pressure anisotropy in galaxy clusters},
  author={I. Khabibullin and S. Komarov and E. Churazov and A. Schekochihin},
  journal={Monthly Notices of the Royal Astronomical Society},
  year={2018},
  volume={474},
  pages={2389-2400}
}
We describe polarization of the Sunyaev-Zel’dovich (SZ) effect associated with electron pressure anisotropy likely present in the intracluster medium (ICM). The ICM is an astrophysical example of a weakly collisional plasma where the Larmor frequencies of charged particles greatly exceed their collision frequencies. This permits formation of pressure anisotropies, driven by evolving magnetic fields via adiabatic invariance, or by heat fluxes. SZ polarization arises in the process of Compton… Expand
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