Ion and electron beam effects on kinetic Alfven waves in the presence of loss-cone distribution function in plasma sheet boundary layer - particle aspect analysis

Details Ion and electron beam effects on kinetic Alfven waves in the presence of loss-cone distribution function in plasma sheet boundary layer - particle aspect analysis Ion and electron beam effects on kinetic Alfven waves in the presence of loss-cone distribution function in plasma sheet boundary layer - particle aspect analysis

Sep 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008epsc.conf..691s&link_type=abstract

European Planetary Science Congress 2008, Proceedings of the conference held 21-25 September, 2008 in Münster, Germany. Online a

Physics

Scientific paper

Abstract - This paper studies, dispersion relation, damping-rate and associated currents of the kinetic Alfven wave in the presence of ion and electron beam with general distribution function in homogenous plasma by particle aspect approach. Kinetic effects of both electrons and ions are included to study kinetic Alfven wave because both are important in the transition region. It is found the ion beam, electron beam and loss-cone distribution index affects the dispersion relation, damping-rate and associated currents. The treatment of kinetic Alfven wave instability is based on the assumption that the plasma consists of resonant and non-resonant particles. The resonant particles participate in an energy exchange process, whereas the non-resonant particles support the oscillatory motion of the wave. Key- words: Plasma waves and instabilities; Ion beam; electron beam; Plasma-sheet boundary layer.

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