<RESEARCH REPORT>PLASMA HEATING BY A MAGNETOSONIC SHOCK WAVE THROUGH RESONANT ION ACCELERATION
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概要
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Resonant wave-particle interactions in magnetosonic shock waves are studied by theory and simulation. We evaluate the number of ions trapped by a perpendicular laminar shock in a finite beta plasma and obtain the amount of shock heating due to resonant ion acceleration in terms of the Mach number and upstream plasma parameters. Some effects of trapped ions on shock waves are also discussed. In addition, it is shown that a laminar oblique shock can reflect some electrons by a magnetic mirror effect, in spite of a large positive potential in the shock region. These theoretical predictions are confirmed by a 1-2/2 dimension, fully relativistic, fully electromagnetic particle simulation with full ion and electron dynamics.
- 核融合科学研究所の論文
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