Modulation of Void Motion Behavior in a Magnetized Dusty Plasma

谢子娟; 隋郁; 王一; 王先杰; 王阳; 刘志国; 李炳生; 白羽; 王志浩

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Modulation of Void Motion Behavior in a Magnetized Dusty Plasma

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摘要

Based on fluid equations,we show a time-dependent self-consistent nonlinear model for void formation in magnetized dusty plasmas.The cylindrical configuration is applied to better illustrate the effects of the static magnetic field,considering the azimuthal motion of the dusts.The nonlinear evolution of the dust void and the rotation of the dust particles are then investigated numerically.The results show that,similar to the unmagnetized one-dimensional model,the radial ion drag plays a crucial role in the evolution of the void.Moreover,the dust rotation is driven by the azimuthal ion drag force exerting on the dust.As the azimuthal component of ion velocity increases linearly with the strength of the magnetic field,the azimuthal component of dust velocity increases synchronously.Moreover,the angular velocity gradients of the dust rotation show a sheared dust flow around the void.

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《中国物理快报：英文版》 |2016年第1期|80-83|共4页
作者
谢子娟; 隋郁; 王一; 王先杰; 王阳; 刘志国; 李炳生; 白羽; 王志浩;
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作者单位

Department of Physics;

Harbin Institute of Technology;

Natural Science Research Center;

Academy of Fundamental and Interdisciplinary Sciences;

Harbin Institute of Technology;

Division of Space Material and Structure Protection;

Beijing Institute of Spacecraft Environment Engineering;

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原文格式 PDF
正文语种 chi
中图分类等离子体物理学;
关键词
尘埃等离子体; 运动特性; 磁化; 非线性模型; 空穴; 速度梯度; 磁场强度; 时间依赖性;

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Modulation of Void Motion Behavior in a Magnetized Dusty Plasma

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