Real-Space Quasilinear Theory of Drift Waves in a Sheared Magnetic Field
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概要
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A real-space quasilinear theory is developed for the collisional and the collisionless drift waves in a plasma with a sheared magnetic field of slab geometry. The equation obtained describes the interaction between many localized modes around different rational surfaces through the density modulation of the energy source region of each mode. The wave amplitudes approach to the stationary values through a relaxation oscillation process. When the width x_s of the energy source region becomes comparable to the spacing Δx of the two adjacent rational surfaces, diffusion coefficient due to the wave is enhanced over the classical value, while the nonlocal heat transport due to the wave propagation is shown to be negligible compared to that associated with the diffusion process.
- 核融合科学研究所の論文
著者
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Tange Toshio
Research Information Center Institute Of Plasma Physics Nagoya University:department Of Physics Hiro
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Tange Toshio
Research Information Center Institute Of Plasma Physics Nagoya University:faculty Of Science Hiroshi
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Hatori Tadatsugu
Research Information Center Institute Of Plasma Physics Nagoya University
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LEE Y.C.
Research Information Center, Institute of Plasma Physics, Nagoya University
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Lee Y.c.
Research Information Center Institute Of Plasma Physics Nagoya University:department Physics Univers
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