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2006MNRAS.368.1377S - Mon. Not. R. Astron. Soc., 368, 1377-1380 (2006/May-3)

Magnetospheric birefringence induces polarization signatures in neutron-star spectra.


Abstract (from CDS):

We study the propagation of polarization light through the magnetosphere of neutron stars. At intermediate frequencies (the optical through the infrared), the birefringence induced both by the plasma and by quantum electrodynamics influences the observed polarization of radiation from the surface of the neutron star. Because these two processes compete in this regime, we find that polarization observations can constrain the properties of the neutron-star magnetosphere, specifically the total charge density. We calculate both the phase-resolved and the phase-averaged polarization signatures induced by magnetospheric birefringence.

Abstract Copyright: 2006 The Authors. Journal compilation © 2006 RAS

Journal keyword(s): magnetic fields - radiation mechanisms: general - stars: neutron

Simbad objects: 5

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