Numerical studies of electron dynamics in oblique quasi-perpendicular collisionless shock waves

Details Numerical studies of electron dynamics in oblique quasi-perpendicular collisionless shock waves Numerical studies of electron dynamics in oblique quasi-perpendicular collisionless shock waves

Jun 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991jgr....96.9455l&link_type=abstract

Journal of Geophysical Research (ISSN 0148-0227), vol. 96, June 1, 1991, p. 9455-9465. Research supported by California Institut

Physics

22

Collisionless Plasmas, Computerized Simulation, Magnetohydrodynamics, Oblique Shock Waves, Electron Energy, Hypercube Multiprocessors, Normal Shock Waves, Particle In Cell Technique, Whistlers

Scientific paper

Linear and nonlinear electron damping of the whistler precursor wave train to low Mach number quasi-perpendicular oblique shocks is studied using a one-dimensional electromagnetic plasma simulation code with particle electrons and ions. In some parameter regimes, electrons are observed to trap along the magnetic field lines in the potential of the whistler precursor wave train. This trapping can lead to significant electron heating in front of the shock for low beta(e). Use of a 64-processor hypercube concurrent computer has enabled long runs using realistic mass ratios in the full particle in-cell code and thus simulate shock parameter regimes and phenomena not previously studied numerically.

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