Alfvenic Acceleration of Io Torus Electrons

Details Alfvenic Acceleration of Io Torus Electrons Alfvenic Acceleration of Io Torus Electrons

Dec 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007agufmsm53a1082j&link_type=abstract

American Geophysical Union, Fall Meeting 2007, abstract #SM53A-1082

Physics

2716 Energetic Particles: Precipitating, 2772 Plasma Waves And Instabilities (2471), 5719 Interactions With Particles And Fields, 7845 Particle Acceleration

Scientific paper

The observed auroral spot at the Io footprint indicates that electron acceleration is occurring along the Io fluxtube. Su et al.[2006] has demonstrated using a gyro-fluid Alfven wave simulation that Alfven waves originating from the torus can partially propagate into the Jovian Magnetosphere. We will present a study showing where resonant electron acceleration due to the Alfvenic parallel electric field occurs. We will also show the dependence of this acceleration on local plasma parameters such as density and temperature. We will compare these results to acceleration studies in the Terrestrial magnetosphere. Su, Y.-J., S.T. Jones, R.E. Ergun, F. Bagenal, S. E. Parker, P. A. Delamere, and R. L Lysak, Io-Jupiter interaction: Alfven wave propagation and ionospheric Alfven resonator, J. Geophys. Res., 111, A06211, doi:10.1029/2005JA011252, 2006.

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