Quasi-linear Diffusion Coefficients for EMIC Waves in a Multi-species Plasma

Details Quasi-linear Diffusion Coefficients for EMIC Waves in a Multi-species Plasma Quasi-linear Diffusion Coefficients for EMIC Waves in a Multi-species Plasma

Dec 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002agufmsm52a0544a&link_type=abstract

American Geophysical Union, Fall Meeting 2002, abstract #SM52A-0544

Statistics

Computation

2716 Energetic Particles, Precipitating, 2720 Energetic Particles, Trapped, 2730 Magnetosphere: Inner, 2772 Plasma Waves And Instabilities, 2778 Ring Current

Scientific paper

EMIC waves, with frequencies below the local proton gyrofrequency, are believed to play an important role in the dynamics of ring current ions and outer zone electrons, especially during disturbed conditions. Their properties are complicated by the presence of heavy ions, He+ and O+. Considerable work has been done on their generation and propagation, but their effect on test particles is less well studied. Here it is shown that analytical/computational techniques developed for the efficient calculation of quasi-linear diffusion by whistler waves can be applied to left-hand polarized EMIC waves. Bounce-averaged pitch angle and energy diffusion coefficients for electrons and ions will be presented.

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