The pulsar synchrotron in 3D: curvature radiation

Details The pulsar synchrotron in 3D: curvature radiation The pulsar synchrotron in 3D: curvature radiation

2009-12-11

arxiv.org/abs/0912.2369v1

Astronomy and Astrophysics

Astrophysics

High Energy Astrophysical Phenomena

12 pages, 11 figures, submitted to Monthly Notices

Scientific paper

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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