Anomalous Plasma Transport due to Electron Temperature Gradient Instability
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概要
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The collisionless drift wave instability driven by an electron temperature inhomogeneity (electron temperature gradient instability) and the enhanced transport processes associated with it are studied using a two-and-a-half dimensional particle simulation code. The simulation results show that quasilinear diffusion in phase space is an important mechanism for the saturation of the electron temperature gradient instability. Also, the instability yields particle fluxes toward the hot plasma regions. The heat conductivity of the electron temperature perpendicular to the magnetic field, T_<e⨩>, is not reduced by magnetic shear but remains high, whereas the heat conductivity of the parallel temperature, T_<e">, is effectively reduced, and the instability stabilized.
- 核融合科学研究所の論文
著者
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Ito Hiroshi
Institute of Geriatrics, Department of Radiology, and Department of Cardiology, Tokyo Women's Medica
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Tokuda Sinji
Institute Of Plasma Physics Nagoya University:plasma Physics Laboratory Faculty Of Engineering
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Kamimura Tetsuo
Institute Of Plasma Physics
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Kamimura Tetsuo
Institute Of Plasma Physics Nagoya University:(present Address)japan Atomic Energy Research Institut
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- Preface