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Title: Effects of the relative motion of different particles on the wave instability in dusty plasmas

Theoretical study is carried out for the dust acoustic waves in a dusty plasma. The dispersion relation is obtained from the fluid dynamical model. It is found that the wave frequency depends on the electron number density, wave number, and the speed of electrons or ions. The dependencies of the instability on the system parameters are also discussed. It is found that the long wavelength wave is usually unstable, which may be useful in the plasma physics, especially in the magnetic confined fusion system or the charged beam dynamics in the accelerated driven system.
Authors:
; ; ;  [1] ;  [2] ;  [3] ;  [4] ;  [4]
  1. College of Physics and Electronic Engineering and Joint Laboratory of Atomic and Molecular Physics of NWNU, Lanzhou 730000 (China)
  2. College of Physics and Electronic Engineering and Joint Laboratory of Atomic an Molecular Physics of NWNU and IMPCAS, Northwest Normal University, Lanzhou 730070, Gansu, China and Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000 (China)
  3. Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, Gansu (China)
  4. (China)
Publication Date:
OSTI Identifier:
22299959
Resource Type:
Journal Article
Resource Relation:
Journal Name: Physics of Plasmas; Journal Volume: 21; Journal Issue: 6; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; BEAM DYNAMICS; DISPERSION RELATIONS; ELECTRONS; IONS; PLASMA; PLASMA INSTABILITY; SOUND WAVES; THERMONUCLEAR DEVICES; VELOCITY; WAVELENGTHS