Effects of a High-Frequency Electric Field on Micro-Instabilities Driven by Density Gradient
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概要
- 論文の詳細を見る
Drift, drift-dissipative, and drift-cyclotron instabilities in an inhomogeneous plasma are considered for the case when a uniform high-frequency electric field is applied along the magnetic field. For the applied field, the dipole approximation is made and the skin effect is neglected. Without averaging the distribution function over the period of the applied electric field, the dispersion relations are derived for both the collisionless and collisional regimes. It is found that the high-frequency field whose frequency is within some ranges increasing the frequencies of perturbations can stabilize drift instabilities and also drift-cyclotron instabilities with finite k_z of the fluid-type, where k_z is the component of the wave vector along the magnetic field. It is found, however, that when the unstable drift-dissipative mode is stabilized the stable mode becomes unstable.
- 社団法人日本物理学会の論文
- 1970-10-05
著者
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Amano Tsuneo
Plasma Physics Laboratroy Faculty Of Engineering Osaka University
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Amano Tsuneo
Research Information Center Institute Of Plasma Physics Nagoya University:plasma Physics Laboratory
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Amano Tsuneo
Plasma Physics Laboratory Faculty Of Engineering Osaka University
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KITAO Kazuo
Department of Physics, Faculty of Science, Niigata University
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Kitao Kazuo
Department Of Nuclear Science Kyoto University : Osaka City University
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OKAMOTO Masao
Department of Nuclear Engineering, Kyoto University
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Okamoto Masao
Research Information Center Institute Of Plasma Physics Nagoya University:department Of Nuclear Engi
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Okamoto Masao
Department Of Nuclear Engineering Faculty Of Engineering Kyoto University
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Kitao Kazuo
Research Information Center Institute Of Plasma Physics Nagoya University:department Of Physics Facu
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OKAMOTO Masao
Department of Computer Science, Chubu University, Kasugai 487-8501, Japan
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