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The complex polarization angles of radio pulsars: orthogonal jumps and interstellar scattering

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arxiv 0901.1826 v1 pith:EOXF65LA submitted 2009-01-13 astro-ph.SR

classification astro-ph.SR
keywords scatteringcombinationinterstellarintrinsicmodelobservedpolarizationpulsar
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Despite some success in explaining the observed polarisation angle swing of radio pulsars within the geometric rotating vector model, many deviations from the expected S-like swing are observed. In this paper we provide a simple and credible explanation of these variations based on a combination of the rotating vector model, intrinsic orthogonally polarized propagation modes within the pulsar magnetosphere and the effects of interstellar scattering. We use simulations to explore the range of phenomena that may arise from this combination, and briefly discuss the possibilities of determining the parameters of scattering in an effort to understand the intrinsic pulsar polarization.

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Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Searches for signatures of ultra-light axion dark matter in polarimetry data of the European Pulsar Timing Array

    astro-ph.CO 2024-12 conditional novelty 6.0 of 10

    Analysis of EPTA pulsar polarimetry finds no evidence for ultra-light axion dark matter, sets upper limits on the axion-photon coupling, and attributes a common 2-year-period signal to ionospheric Faraday rotation.

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