Statistics of cosmic microwave background polarization

@article{Kamionkowski1997StatisticsOC,
  title={Statistics of cosmic microwave background polarization},
  author={Marc Kamionkowski and Arthur B. Kosowsky and Albert Stebbins},
  journal={Physical Review D},
  year={1997},
  volume={55},
  pages={7368-7388}
}
We present a formalism for analyzing a full-sky temperature and polarization map of the cosmic microwave background. Temperature maps are analyzed by expanding over the set of spherical harmonics to give multipole moments of the two-point correlation function. Polarization, which is described by a second-rank tensor, can be treated analogously by expanding in the appropriate tensor spherical harmonics. We provide expressions for the complete set of temperature and polarization multipole moments… 

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