Crossfield-Current-Driven Electrostatic Instabilities in an Inhomogeneous Magnetoplasma
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概要
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Dispersion characteristics and nunterical results are presented of the crossfield-current-driven electrostatic instabilities in an inhomogeneous magnetoplasma.By use of a two-fluid hydrodynamic model in a cylindrical coordinate involvingthe effects of finite temperature and density inhomogeneity, we present the corre-sponding dispersion relation and show that, in the low-frequency range co"<<cta:g(a.j : ion-cyclotron frequency), there exists an instability termed as the ntodifiedi on-cyclotron instability. These wave characteristics are clarified in some parameterspaces. Apart from this, some nuxt?erical nesuls are also presented of the lower-hybrid instability and the ion-cyclotron harmonic instability, the latter beingobtained with a kinetic model in an inhomogeneous hot plasma. The comparisonof these results with the experiment is also made especially for the modifiedion-cyclotron mode, and it is found that the experimental results are in qualitativeagreement with the theoretical prediction.
- 社団法人日本物理学会の論文
- 1977-02-15
著者
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Yatsui Kiyoshi
Department Of Electrical Engineering Faculty Of Engineering Science Osaka University
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FURUMI Masatomo
Department of Electrical Engineering, Faculty of Engineering Science, Osaka University
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IMAI Tsuyoshi
Department of Electrical Engineering, Faculty of Engineering Science, Osaka University
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Yatsui Kiyoshi
Department Of Electrical Engineering Faculty Of Engineering
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Imai Tsuyoshi
National Institute Of Fruit Tree Science
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Imai Tsuyoshi
Department Of Electrical Engineering Faculty Of Engineering Science Osaka University:tokai Research
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Imai Tsuyoshi
Department Of Civil Engineering Yamaguchi Univerisity
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Furumi Masatomo
Department Of Electrical Engineering Faculty Of Engineering Science Osaka University:semiconductor B
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