Instability of Alfven Waves by Fast Ions in a Plasma in a Magnetic Mirror Field
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概要
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The instability of Alfven waves by fast ions in a plasma in a magnetic mirror field isinvestigated theoretically taking explicitly into account the bounce motion of the fastions between turning points. The linear growth rate of instability is calculated and theresult is compared with the restmlt obtained by the usual theory which assumes freemotion of particles. In the case of a nearly mono-energetic velocity distribution of fasttons, with the velocity spread equal to the thermal velocity of the host plasma ions, themaxumum growth rate by the bounce-motion theory is reduced by the factor (fast-ionenergy/host-ion temperature)"' from that by the free-motion theory. The difference isless remarkable in the case of a broad distribution of fast Tons.
- 社団法人日本物理学会の論文
- 1982-03-15
著者
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Sato Masatomo
Department Of Physics And Atomic Energy Research Institute College Of Science And Engineering Nihon
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MIZUNO Nobuo
Department of Physics,College of Science and Technology,Nihon University
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Mizuno Nobuo
Department Of Physics College Of Science And Technology Nihon University
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