Japanese | English

トップページへ戻る

詳細

   
フルテキストURL2007010089.pdf ( 9.6MB ) 公開日 2010-04-16
タイトルComputer simulation of nonlinear interaction between a cold beam and a weakly collisional plasma
作成者Abe, Hirotada
Fukumasa, Osamu
Itatani, Ryohei
Naitou, Hiroshi
作成者ヨミアベ, ヒロタダ
フクマサ, オサム
イタタニ, リョウヘイ
ナイトウ, ヒロシ
作成者別表記福政, 修
作成者所属山口大学大学院理工学研究科(工学)
内容記述(抄録等)The spatial growth of the instability and the nonlinear interaction between a small cold beam and a warm background plasma are examined by means of particle simulation. Up to the first maximum in the amplitude oscillation of the wave, quantitative measurements confirm the predictions based on the single wave model: the magnitude of the growth rate, monochromaticity of the unstable mode, the maximum wave amplitude, and the phase space orbits of the beam electrons. After the first maximum of the wave amplitude, the spatial dependence of the wave amplitude cannot be explained by the single wave model predictions and the wave power is anomalously overdamped by a factor of 0.1 smaller than the predicted value in the first minimum. The extended single wave model equations suggest that this anomalous phenomenon is caused by weak collisions of the order of ν/ωp~10-3 within the background plasma.
本文言語eng
主題電気電子工学
資料タイプtext
ファイル形式application/pdf
出版者American Institute of Physics
NII資料タイプ学術雑誌論文
査読の有無査読あり
ISSN0031-9171
掲載誌名Physics of Fluids
22
2
開始ページ310
終了ページ320
発行日1979-02
DOIinfo:doi/10.1063/1.862582
関連情報URL(IsPartOf)http://pof.aip.org/
著者版/出版社版出版社版
リポジトリID2007010089
地域区分山口大学
URIhttp://www.lib.yamaguchi-u.ac.jp/yunoca/handle/2007010089