Spatiotemporal structure of low frequency waves in a magnetized plasma device

被引：29
作者：
Matsukuma, M
Pierre, T
Escarguel, A
Guyomarc'h, D
Leclert, G
Brochard, F
Gravier, E
Kawai, Y
机构：
[1] Univ Aix Marseille 1, LPIIM, Unite 6633, CNRS, F-13397 Marseille 20, France
[2] Kyushu Univ, Interdisciplinary Grad Sch Engn Sci, Fukuoka, Japan
[3] Univ Henri Poincare Nancy, LPMIA, CNRS, Unite 7040, F-54506 Vandoeuvre Les Nancy, France
来源：
PHYSICS LETTERS A | 2003年 / 314卷 / 1-2期
关键词：
plasma waves; drift wave instabilities; nonlinear waves;
D O I：
10.1016/S0375-9601(03)00865-X
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The spatiotemporal structure of nonlinear low frequency waves in a magnetized plasma is studied. The m = 2 azimuthal mode exhibits clearly a rotating spiral structure when the diameter of the plasma column is smaller than the diameter of the containing tube. The measurement of the plasma potential profile leads to the conclusion that the magnitude and profile of the radial electric field are the leading parameters for the existence of this spiral structure. (C) 2003 Elsevier B.V. All rights reserved.
引用
收藏
页码：163 / 167
页数：5
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