Dynamics of Dust in a Plasma Sheath with Magnetic Field |
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Authors: | DUAN Ping LIU Jinyuan GONG Ye LIU Yue WANG Xiaogang |
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Affiliation: | 1 State Key Laboratory of Material Modification by Laser, Electron and Ion Beams, Department of Physics and College of Advanced Science and Technology, Dalian University of Technology, Dalian 116024, China 2 College of Physics Science and Technology, Dalian University, Dalian 116622, China |
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Abstract: | Dynamics of dust in a plasma sheath with a magnetic field was investigated using a single particle model. The result shows that the radius, initial position, initial velocity of the dust particles and the magnetic field do effect their movement and equilibrium position in the plasma sheath. Generally, the dust particles with the same size, whatever original velocity and position they have, will locate at the same position in the end under the net actions of electrostatic, gravitational, neutral collisional, and Lorentz forces. But the dust particles will not locate in the plasma sheath if their radius is beyond a certain value. |
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Keywords: | plasma sheath magnetic field dust particles |
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