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arXiv:0906.1087 [astro-ph.HE]AbstractReferencesReviewsResources

Whence particle acceleration

M. V. Medvedev, A. Spitkovsky

Published 2009-06-05Version 1

We discuss how the electrons in relativistic GRB shocks can reach near-equipartition in energy with the protons. We emphasize the non-Fermi origin of such acceleration. We argue that the dynamics of the electrons in the foreshock region and at the shock front plays an important role. We also demonstrate that PIC simulations can directly probe this physics in the regimes relevant to GRBs.

Comments: Proceedings of the meeting ``070228 - The Next Decade of GRB Afterglows'' held March 19-23, 2007 in Amsterdam
Categories: astro-ph.HE
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