An extended K-dV equation for nonlinear magnetosonic wave in a multi-ion plasma

被引：7
|
作者：
Ida, A [1 ]
Sanuki, H [1 ]
Todoroki, J [1 ]
机构：
[1] NATL INST FUS SCI,NAGOYA,AICHI 46401,JAPAN
来源：
PHYSICA SCRIPTA | 1996年 / 53卷 / 01期
关键词：
D O I：
10.1088/0031-8949/53/1/016
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Nonlinear magnetosonic waves propagating perpendicularly to a magnetic field are studied in two-ion plasma. It is shown that a high frequency magnetosonic wave under the influence of finite cut-off frequency can be described by an extended K-dV equation, rather than a conventional K-dV equation. The modulational stability of this mode is strongly affected by the finite cut-off frequency in two-ion plasma.
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页码：85 / 88
页数：4
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