Heating and acceleration of electrons through the whistler precursor in 1-D and 2-D oblique shocks

Details Heating and acceleration of electrons through the whistler precursor in 1-D and 2-D oblique shocks Heating and acceleration of electrons through the whistler precursor in 1-D and 2-D oblique shocks

Mar 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995adspr..15..235s&link_type=abstract

Advances in Space Research (ISSN 0273-1177), vol. 15, no. 8-9, p. 235-238

Computer Science

3

Collisionless Plasmas, Electron Acceleration, Electron Energy, Energy Transfer, Oblique Shock Waves, Whistlers, Computerized Simulation, Landau Damping, Plasma Density, Shock Wave Attenuation, Stability, Two Dimensional Models

Scientific paper

Whistler wave precursors in sub- and supper-critical quasi-perpendicular collisionless shocks are analyzed with 1-D and 2-D full particle simulations for similar plasma conditions. In addition to the Landau damping present in both kinds of simulations as the main process of dissipation, 2-D results emphasize the existence of the cross-field currents instabilities (self-consistently included) in the lower hybrid frequency domain both at the shock transition and in the whistler structure. The energy transfer from whistler electromagnetic components (electromagnetic energy) into electron dynamic (thermal energy) is more efficient along the parallel direction and leads to a slight electron preheating in front of the shock.

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