Kinetic Theory of Global n=1 Instabilities in Toroidal Plasmas
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概要
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The kinetic theory of the global n= 1 instabilities of finite-pressure tokamakplasmas with circular cross-section is investigated in collisionless limit (m, n :poloidal and toroidal mode numbers). Wave-particle interactions and finitegyroradius effect are included. The radial-poloidal eigenmode equations aredirectly solved numerically. The 777=1 internal/tearing mode, 77=1 ballooningmode and m=2 tearing mode are identified with a fixed boundary condition.The m=I internal mode turns out to be the collisionless tearing mode in lowpressure regimes. The pressure driven ballooning mode is connected with theelectrostatic-like ballooning mode. The toroidal coupling further stabilizes them=2 tearing mode, which is destabilized by the parallel current and can bestabilized by coupling with drift branch. Analytical studies are made by using theenergy integral.
- 社団法人日本物理学会の論文
- 1984-05-15
著者
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Itoh Kimitaka
Department Of Thermonuclear Fusion Research Japan Atomic Energy Research Institute
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Itoh Sanae-inoue
Institute For Fusion Theory Hiroshima University
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Itoh Kimitaka
Department Of Physics Faculty Of Science University Of Tokyo
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Tuda Takashi
Department Of Thermonuclear Fusion Research Japan Atomic Energy Research Institute
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Tokuda Shinji
Department Of Thermonuclear Fusion Research Japan Atomic Energy Research Institute
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Tokuda Shinji
Department Of Fusion Plasma Research Naka Fusion Research Establishment Japan Atomic Energy Research
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Itoh Inoue
Institute For Fusion Theory Hiroshima University
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Inoue Itoh
Institute for Fusion Theory,Hiroshima University
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