26-30 October 2015
Asia/Tokyo timezone
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Contribution Oral presentation

High Energy Cosmic rays

Nonrelativistic shocks of young supernova remnants in kinetic simulations


  • Prof. Jacek NIEMIEC

Primary authors


Abstract content

The formation, electromagnetic structure, and the injection of suprathermal particles into a Fermi-type acceleration at collisionless shocks constitute important problems of high-energy astrophysics. We report on recent particle-in-cell studies of high Mach-number nonrelativistic perpendicular shocks in applications to young supernova remnants. We discuss a nonlinear shock structure mediated by Weibel-type filamentation instabilities, shock reformation and rippling, and conditions leading to heating and efficient electron and ion pre-acceleration. First results of oblique quasi-perpendicular shock studies will also be presented.