Nonlinear Behaviors of Waves in a Plasma in the Vicinity of Marginally Stable State
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概要
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Nonlinear behaviors of monochromatic travelling waves are discussed by the use of an asymptotic method. The wave is assumed to be stationary in the first approximation and nonlinear interaction are taken into account only among the wave under consideration and its harmonics. It is shown that two cases should be distinguished according as the frequency of the wave in the first approximation is given by a simple root or a double root of the dispersion relation. Characteristic behaviors of the wave in the latter case are studied by discussing a model equation and a special case of two beam instability. The behaviors of the complex amplitude of the wave are visualized in the form of a motion of a "particle" in an axisymmetric potential.
- 核融合科学研究所の論文
著者
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Watanabe Tsuguhiro
Research Information Center Institute Of Plasma Physics Nagoya University
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Midzuno Yukio
Reseach Information Center Institute Of Plasma Physics Nagoya University
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Watanabe Tsuguhiro
Research Information Center Institute Of Plasma Physics Nagoya University:institute Of Plasma Physic
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