Alignments in quasar polarizations: pseudoscalar-photon mixing in the presence of correlated magnetic fields

Details Alignments in quasar polarizations: pseudoscalar-photon mixing in the presence of correlated magnetic fields Alignments in quasar polarizations: pseudoscalar-photon mixing in the presence of correlated magnetic fields

2009-11-02

arxiv.org/abs/0911.0429v3

Phys.Rev.D83:065014,2011

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages, 5 figures, version published in PRD

Scientific paper

10.1103/PhysRevD.83.065014

We investigate the effects of pseudoscalar-photon mixing on electromagnetic radiation in the presence of correlated extragalactic magnetic fields. We model the Universe as a collection of magnetic domains and study the propagation of radiation through them. This leads to correlations between Stokes parameters over large scales and consistently explains the observed large-scale alignment of quasar polarizations at different redshifts within the framework of the big bang model.

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