Polarization and Anisotropy of the Microwave Sky

Details Polarization and Anisotropy of the Microwave Sky Polarization and Anisotropy of the Microwave Sky

1994-06-14

arxiv.org/abs/astro-ph/9406046v2

Phys.Rev.Lett. 73 (1994) 2390-2393

Astronomy and Astrophysics

Astrophysics

12 pages of uuencoded compressed postscript (replacing previous uncompressed version), figures included. PUPT-94-1473

Scientific paper

10.1103/PhysRevLett.73.2390

We study the polarization-polarization and polarization-temperature correlations in standard adiabatic scenarios for structure formation. Temperature anisotropies due to gravitational potential wells and oscillations in the photon-baryon-electron fluid on the surface of last scattering are each associated with a correlated polarization pattern. While the `correlated part' of the polarization has an r.m.s. of only a third of the total signal, it may still be measurable by mapping a large area on the sky. We calculate the expected signal to noise ratio for various measures of the polarization in a hypothetical mapping experiment such as those now being planned.

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