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Stability of Dust Acoustic Waves in Weakly Two—Dimensional Dust Plasma with Vortex—Like Ion Distribution
作者姓名:段文山
作者单位:DepartmentofPhysics,NorthwestNormalUniversity,Lanzhou730070
摘    要:By considering the vortex-like ion distribution,we know that the nonlinear dust acoustic wave can be described by the modified Korteweg-de Vries equation.If there are high-order transverse perturbations in this system,the governing equation for this system is the modified Kadomtsev-Petviashvili equation.We also find that for this system under the transverse perturbation the one-dimensional solitary wave solution is stable.

关 键 词:粉粒等离子体 粉粒声波 类涡流离子分布
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