Shock drift acceleration in the presence of waves

Details Shock drift acceleration in the presence of waves Shock drift acceleration in the presence of waves

Jan 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985jgr....90...47d&link_type=abstract

Journal of Geophysical Research (ISSN 0148-0227), vol. 90, Jan. 1, 1985, p. 47-56.

Physics

37

Magnetohydrodynamic Waves, Particle Acceleration, Shock Waves, Wave Interaction, Ion Motion, Magnetic Moments

Scientific paper

Charged particle acceleration via the shock drift mechanism at quasi-perpendicular shocks has generally been analyzed by assuming uniform, time-independent conditions at and near the shock. The authors present results from a model designed to study how the shock drift mechanism is modified when wave activity is included in the shock's upstream and downstream vicinities. The technique involves numerically following test particle trajectories in the wave-shock system for predefined wave fields. In order to compare these results with those obtained in the scatter-free (i.e., nonwave) case, the authors restricted particles to a single shock encounter. As a particular example, they injected ensembles of ions into a system consisting of a quasi-perpendicular shock moving through the interplanetary spectrum of ambient Alfvén waves.

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