Relativistic Electron Beam Acceleration by Compton Scattering of Extraordinary Waves

R. Sugaya, T. Maehara and M. Sugawa
Department of Physics, Faculty of Science, Ehime University, Matsuyama 790-8577, Japan
Abstract. Acceleration and heating of a relativistic electron beam by the Compton scattering of extraordinary waves
propagating almost perpendicularly in a magnetized plasma are investigated theoretically and numerically on the basis of the
relativistic kinetic wave and transport equations.
Keywords: Relativistic electron beam acceleration, Compton scattering, Nonlinear Landau damping, Extraordinary wave
PACS: 52.27.Ny, 52.35.Hr, 52.35.Mw
INTRODUCTION
Acceleration and heating of a relativistic electron beam by the Compton scattering of extraordinary waves
propagating almost perpendicularly in a magnetized plasma are investigated theoretically and numerically on the
basis of the relativistic kinetic wave and transport equations [1-5]. Two extraordinary waves interact
nonlinearly with the relativistic electron beam, satisfying the resonance condition for the Compton scattering
(nonlinear Landau and cyclotron damping) [4,5],
ω ω (k k )v mωce ′ − − − ′ = k k

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