The polarization of the microwave background in open universes

Details The polarization of the microwave background in open universes The polarization of the microwave background in open universes

Mar 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985apj...290....1t&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 290, March 1, 1985, p. 1-11.

Statistics

Computation

11

Background Radiation, Cosmology, Microwave Emission, Polarization Characteristics, Relic Radiation, Universe, Anisotropy, Astronomical Models, Computational Astrophysics, Computerized Simulation, Microwave Scattering, Monte Carlo Method, Red Shift

Scientific paper

A Monte Carlo simulation is undertaken of the polarization and anisotropy of the background radiation in open universes with an expansion anisotropy which arises from either a cosmological anisotropy or density inhomogeneities on large scales. The scattering of the spot into which the radiation anisotropy is distorted and focused by the spatial curvature, during the reheated epoch, generates features in the radiation's polarization which cover half of the sky. The radiation is polarized in a wide band encircling the spot, with the amount of polarization being highly sensitive to the amount of scattering, and, therefore, to the reheating epoch. Microwave polarization offers an observationally accessible test of open universe cosmological models.

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