Successive Bifurcations to Chaotic State in the Nonlinear Evolution of Collisional Drift Wave
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概要
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The successive bifurcations from a stationary state to a chaotic state in the nonlinear evolution of the collisional drift wave are studied on a set of model equations derived by Nishi-Kawa, Hatori and Terashima. A new truncation scheme is introduced to eliminate numerical instabilities observed by them. It is shown that a model system exhibits an inverted bifurcation as to the stability of a fixed point to the case of the 12-mode system and a normal bifurcation otherwise. All cases, though different in the type of bifurcations of fixed points, undergo a sequence of bifurcations, exhibiting single periodic and doubly periodic and aperiodic motions successively. The properties of stochastic states are also investigated.
- 核融合科学研究所の論文
著者
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Kono Mitsuo
Research Institute For Applied Mechanics Kyushu University
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Kako Fujio
Research Information Center Institute Of Plasma Physics Nagoya University:research Institute For App
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Kako Fujio
Research Information Center Institute Of Plasma Physics Nagoya University:research Institute For App
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Kono Mitsuo
Research Information Center Institute Of Plasma Physics Nagoya University:research Institute For App
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