| Stability of Dust Acoustic Waves in Weakly Two—Dimensional Dust Plasma with Vortex—Like Ion Distribution |
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| 引用本文： | 段文山.Stability of Dust Acoustic Waves in Weakly Two—Dimensional Dust Plasma with Vortex—Like Ion Distribution[J].中国物理快报,2002,19(4):452-455. |
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| 作者姓名： | 段文山 |
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| 作者单位： | DepartmentofPhysics,NorthwestNormalUniversity,Lanzhou730070 |
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| 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.
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| 关 键 词： | 粉粒等离子体 粉粒声波 类涡流离子分布 |
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