The nature of the E-B decomposition of CMB polarization

Preprint

10 June 2001

preprint
Published by arXiv in arXiv

https://doi.org/10.48550/arXiv.astro-ph/0106174

Abstract

We present a derivation of the transformation between the Q and U Stokes parameters and the E and B scalar and pseudo-scalar fields. We emphasize the geometrical properties that such transformation must satisfy. We present the E and B decomposition of some simple maps and of a model for a supernova remnant. We discuss the relative amplitudes of the E and B components and argue that for generic random maps E and B should have roughly the same amplitudes.

Keywords

SUPERNOVA REMNANT
STOKES PARAMETERS
CMB POLARIZATION
GENERIC RANDOM
DECOMPOSITION
PSEUDO SCALAR
POLARIZATION
SIMPLE MAPS
PROPERTIES

All Related Versions

Version 1, 2001-06-10, ArXiv
Published version: Physical Review D, 64 (10), 103001.

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