プラズマ非線形物理学とコンピュ-タ・シミュレ-ション-3-微視的非線形現象-1-粒子運動論効果と磁気流体効果の非線形相互作用

概要

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A new generation of simulation methods is now emerging in the United States and Japan that will bridge the giant gap in space and time existing between the kinetic and magnetohydrodynamic natures of the plasmas. We briefly describe the simulation algorithm and several physics applications that have succsessfully been made by using the “macroscale particle simulation code”; 1) Alfven-ion-cyclotron instability and pitch-angle scattering, 2) excitation of the kinetic Alfven wave and heating of the plasma, 3) stabilization of FRC tilting instability by ion orbit effects, and 4) kink instability of peaked density ion beam. In all the cases, the macroscale particle simulation works satisfactorily even for strongly nonlinear, inhomogeneous plasmas, casting unlimited amount of hope in elucidating the most difficult, unresolved problems in plasma physics, such as anomalous transport.
社団法人プラズマ・核融合学会の論文