Cylindrical Ion Acoustic Soliton in Plasma with Negative Ion
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概要
- 論文の詳細を見る
Cylindrical ion acoustic solitons are investigated theoretically and numerically in aplasma with negative ion. In a theoretical part, we derive a cylindrical Korteweg-deVries equation for an ion acoustic wave. The sign of nonlinear coefficient depends onthe negative Ton density. At the critical density of the negative ion where thenonlinearity of the Korteweg-de Vries equation vanishes, the ion acoustic wave isdescri bed by a cylindrical modified Korteweg-de Vries equatior?, and in the vicinity ofthe critical density, it is described by a combined cylindrical equation of theKorteweg-de Vries and modified Korteweg-de Vries types. Tlae change of a solitonamplitude due to the geometrical effect is analytica.lly obtained in two limiting caseswhen the geometrical effect is much stronger or weaker than the nonlinear and disper-sive effects. In the numerical calculation, the theoretical prediction for the change ofthe soliton amplitude is verified.
- 社団法人日本物理学会の論文
- 1985-11-15
著者
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WATANABE Shinsuke
Research Institute for Energy Materials,Yokohama National University
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Tanaca Hiroshi
Research Institute For Energy Materials Yokohama National University
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Hase Y
Univ. Tokyo Tokyo
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HASE Yoko
Research Institute for Energy Materials,Yokohama National University
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Watanabe Shinsuke
Research Institute For Energy Materials Yokohama National University
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Watanabe Shinsuke
Research Information Center Institute Of Plasma Physics Nagoya University:research Institute For Ene
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