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 bytheory and simulation. The number of ions trapjved by a perpendicular laminar shockin a finite beta plasma is evaluated, and the amount of shock heating due to resonantion acceleration is analytically obtained in terms of the Alfv<:n Mach number andupstream plasma parameters. Some effects of trapped ions on shock waves are alsodiscussed. In addition, it is shown that a laminar oblique shock can reflect some elecirons by a magnetic mirror effect, in spite of a large positive potential in the shockregion. These theoretical predictions are confirmed by a fully electromagnetic particlesimulation with full ion and electron dynamics in one spatial dimension.
- 社団法人日本物理学会の論文
- 1988-03-15
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関連論文
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