Separation of E and B patterns in the local CMB polarization map

Details Separation of E and B patterns in the local CMB polarization map Separation of E and B patterns in the local CMB polarization map

Oct 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001aipc..586..208c&link_type=abstract

RELATIVISTIC ASTROPHYSICS: 20th Texas Symposium. AIP Conference Proceedings, Volume 586, pp. 208-210 (2001).

Astronomy and Astrophysics

Astrophysics

2

Background Radiations

Scientific paper

The CMB polarization E and B tensor patterns possess different parities, much like those in the familiar curl-free and divergence-free vector patterns. It is possible to project the polarization tensor map into a vector map, which consists of the linear superposition of a curl-free and a divergence-free vector field. This map not only allows one to visualize what the E and B modes look like, but it also permits the E-B separation by a topological means. The measured variance of surface brightness for the E and B modes by this topological strategy is presented. .

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