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Electron Beam Effects on Kinetic Alfven Waves in the Plasma Sheet Boundary Layer

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DOI: 10.4236/oalib.1100518    1,130 Downloads   1,470 Views  

ABSTRACT

This work studies the effect of earthward electron beam on kinetic Alfven wave in plasma sheet boundary layer (PSBL). The particle aspect approach is adopted to investigate the trajectories of charged particles in the electromagnetic field of kinetic Alfven wave. Expressions are found for the dispersion relation, growth/damping-rate and associated currents in the presence of electron beam in homogenous plasma. Kinetic effects of electrons and ions are included to study kinetic Alfven wave because both are important in the transition region. The plasma parameters appropriate to plasma sheet boundary layer are used. It is found that downward electron beam affects the dispersion relation, growth/damping-rate and associated currents in both cases (warm and cold electron limit).

Conflicts of Interest

The authors declare no conflicts of interest.

Cite this paper

Shrivastava, G. and Shrivastava, J. (2014) Electron Beam Effects on Kinetic Alfven Waves in the Plasma Sheet Boundary Layer. Open Access Library Journal, 1, 1-9. doi: 10.4236/oalib.1100518.

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