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Modeling of Pulsar Polarization Properties

Published online by Cambridge University Press:  27 September 2017

L. M. Shier
Affiliation:
Physics Department, Rice University
F. C. Michel
Affiliation:
Space Physics and Astronomy Department, Rice University

Abstract

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In the popularly accepted empirical model for pulsar emission, bunches of charged particles traveling along open field lines near the magnetic pole emit curvature radiation. Such radiation is linearly polarized. Most of the radiation is assumed to be emitted from a ring shaped region centered on the pole (the hollow cone model). We have calculated the expected average polarization using this model and find them to be in disagreement with observations. The addition of a second ring inside the first with orthogonal polarization solves this problem. This new model explains other observed features of pulsar emission including discontinuities in position-angle profiles and multicomponent profiles. Plasma interactions might account for a second ring.

Type
Part IX Polarization phenomena
Copyright
Copyright © United States Naval Observatory 1992

References

1 The introduction is by F. C. Michel. The remainder of the paper is by L. M. Schier