Interactions of a Projectile Charge with Two-Dimensional Dusty Plasmas
JIANG Ke, HOU Lu-Jing, WANG You-Nian
The State Key Laboratory of Materials Modification, Department of Physics,Dalian University of Technology, Dalian 116024
Interactions of a Projectile Charge with Two-Dimensional Dusty Plasmas
JIANG Ke;HOU Lu-Jing;WANG You-Nian
The State Key Laboratory of Materials Modification, Department of Physics,Dalian University of Technology, Dalian 116024
关键词 ：
52.20.Hv ,
52.25.Vy ,
52.25.Zb ,
52.40.Hf ,
52.35.Fp
Abstract ： The interactions of a moving charge (namely, one additional dust particle) with a two-dimensional dusty plasma in gas discharge experiment are studied by means of the linearized hydrodynamic theory for the dusty plasma. Expressions are derived for the induced potential and the stopping power of the moving charge, when the charge flights parallel to and over the dust layer. The numerical results are obtained for different discharge pressures and different distances from the moving charge to the dust layer. The results show that the moving charge excites a V-shaped disturbance of induced potential or the so-called Mach cone in the dust layer, while the charge itself loses its energy.
Key words ：
52.20.Hv
52.25.Vy
52.25.Zb
52.40.Hf
52.35.Fp
出版日期: 2005-07-01
:
52.20.Hv
(Atomic, molecular, ion, and heavy-particle collisions)
52.25.Vy
(Impurities in plasmas)
52.25.Zb
52.40.Hf
(Plasma-material interactions; boundary layer effects)
52.35.Fp
(Electrostatic waves and oscillations (e.g., ion-acoustic waves))
引用本文:
JIANG Ke;HOU Lu-Jing;WANG You-Nian. Interactions of a Projectile Charge with Two-Dimensional Dusty Plasmas[J]. 中国物理快报, 2005, 22(7): 1713-1716.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2005/V22/I7/1713
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2005, Vol. 22 
