Journal Article

The pulsar synchrotron in 3D: curvature radiation

Ioannis Contopoulos and Constantinos Kalapotharakos

in Monthly Notices of the Royal Astronomical Society

Published on behalf of The Royal Astronomical Society

Volume 404, issue 2, pages 767-778
Published in print May 2010 | ISSN: 0035-8711
Published online May 2010 | e-ISSN: 1365-2966 | DOI: http://dx.doi.org/10.1111/j.1365-2966.2010.16338.x
The pulsar synchrotron in 3D: curvature radiation

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We investigate the strong electric current sheet that develops at the tip of the pulsar closed line region through time-dependent 3D numerical simulations of a rotating magnetic dipole. We show that curvature radiation from relativistic electrons and positrons in the current sheet may naturally account for several features of the high-energy pulsar emission. We obtain light curves and polarization profiles for the complete range of magnetic field inclination angles and observer orientations, and compare our results to recent observations from the Fermiγ-ray telescope.

Keywords: stars: magnetic fields; pulsars: general

Journal Article.  5912 words.  Illustrated.

Subjects: Astronomy and Astrophysics

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