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Rotation of linear polarization plane and circular polarization from cosmological pseudoscalar fields

2008/02/29 by F. Finelli⋆, Fabio Finelli, Matteo Galaverni · 5 citations
Mathematics · Physics and Astronomy · #Circular polarization #Classical mechanics #Computational physics #Cosmology and Gravitation Theories #Dark Matter and Cosmic Phenomena #Galaxies: Formation, Evolution, Phenomena #Geometry #Linear polarization #Mathematics #Meson #Optics #Physics #Polarization (electrochemistry) #Pseudoscalar #Quantum electrodynamics #Quantum mechanics #Rotation (mathematics) #Scattering #Stokes parameters #astro-ph

paper · pdf · doi:10.1103/physrevd.79.063002

published as Phys.Rev.D79:063002,2009 · Final version appeared in Physical Review D

openalex publication_date 2009/03/04 · arxiv created 2009/03/19 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05

Abstract

We discuss the rotation of the linear polarization plane and the production of circular polarization generated by a cosmological pseudoscalar field. We compute analytically and numerically the propagation of the Stokes parameters from the last scattering surface for an oscillating and a monotonic decreasing pseudoscalar field. For the models studied in this paper, we show the comparison between the widely used approximation in which the linear polarization rotation angle is constant in time and the exact result.

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