Collisionless Tearing Instabilities

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概要

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• Collisionless tearing modes and the enhanced transport associated with this instability are investigated theoretically and by using a two-and-one-half dimensional particle simulation code in a slab geometry. The effects of electrostatic fields on the instability are also considered. The initial current is found to diffuse along the perturbed magnetic field lines with the observed diffusion coefficient in good agreement with the theoretical prediction. Electrostatic effects have a tendency to enhance the tearing mode growth rate. The growth of the mode is observed to divide into three phases. In multi-mode tearing, a combination of magnetic islands is observed.

• 核融合科学研究所の論文

著者

• Kamimura T.

  Institute of Plasma Physics, Nagoya University

• Katanuma I.

  Institute Of Plasma Physics Nagoya University

• Kamimura T.

  Institute Of Plasma Physics Nagoya University

関連論文

• Summary of Equilibrium, Stability, and Transport in Tandem Mirror and Bumpy Tori
• Stochastic Diffusion in the Standard Map
• Long Time Correlation and Stochastic Diffusion in the Standard Map
• Collisionless Tearing Instabilities
• Implicit Particle Simulation of Electromagnetic Plasma Phenomena
• Ambipolar Electric Field and Energy Confinement Time in the Compact Helical System (CHS) Device
• Stochastic Motion of Particles in Tandem Mirror Devices
• Three Dimensional MHD Simulation on the Stability of a High-Beta Tokamak
• Equilibria of the High-β Tokamak and Nonlinear Evolution of the m=1 Kink Ballooning Mode
• Nonlinear Evolution of the Resistive MHD Modes and Sawtooth Oscillation in a Toroidal Plasma
• Stochastic Diffusion in Tandem Mirror Devices

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