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The pulsar synchrotron in 3D: curvature radiation

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arxiv 0912.2369 v1 pith:3YM7VVAA submitted 2009-12-11 astro-ph.HE

The pulsar synchrotron in 3D: curvature radiation

classification astro-ph.HE
keywords pulsarcurrentcurvaturemagneticradiationsheetaccountangles
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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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 three-dimensional 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 Fermi gamma-ray telescope.

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