Radial Structure of Two-Stream Instability in Light Ion Beam
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概要
- 論文の詳細を見る
Two-stream instability induced by a uniform light ion beam of finite radius propagating in a background plasma is investigated numerically. Radial structure of the instability is obtained by a linear electromagnetic stability analysis. Problem is solved as an eigenvalue problem. Frequency and growth rate of the instabiblity are obtained as the eigenvalues, and radial profile of perturbed physical quantities is obtained as the eigenfunction. Two types of the perturbation mode are obtained. One is that it's perturbation appears inside of the beam and is characterized by a radial mode number. Another is that the perturbation appears at the surface of the beam. It is also shown that although the growth rate increases with the radial mode number, it converges to a constant value for large mode number.
- 社団法人日本物理学会の論文
- 1993-06-15
著者
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Sentoku Y
Osaka Univ. Osaka
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Sentoku Yasuhiko
Faculty Of Science And Technology Keio University
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Fukano Azusa
Faculty of Science and Technology, Keio University
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Ogasawara Masatada
Faculty of Science and Technology, Keio University
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Fukano A
Tokyo Metropolitan Coll. Technol. Tokyo Jpn
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Fukano Azusa
Faculty Of Science And Technology Keio University
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Ogasawara M
Keio Iniv. Yokohama
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Ogasawara Masatada
Faculty Of Engineering Keio University
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