Effect of Streaming Negative Ions on Dust Acoustic Wave Propagation in Complex Plasma

Details Effect of Streaming Negative Ions on Dust Acoustic Wave Propagation in Complex Plasma Effect of Streaming Negative Ions on Dust Acoustic Wave Propagation in Complex Plasma

Oct 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aipc..799..251s&link_type=abstract

NEW VISTAS IN DUSTY PLASMAS: Fourth International Conference on the Physics of Dusty Plasmas. AIP Conference Proceedings, Volum

Computer Science

Sound

3

Dusty Plasmas, Acoustic Wave Propagation, Dust, Negative Ions, Plasma Theory, Dusty Or Complex Plasmas, Plasma Crystals, Sound Waves, Particle Orbit And Trajectory

Scientific paper

The role of streaming negative ions on the dust acoustic wave (DAW) propagation has been investigated based on orbit motion limited (OML) theory of dust grain charging. The complex plasma being assumed as composed of Boltzmanian electrons, inertial positive ions, streaming negative ions and the variable charge dust grains. Dust charge is assumed to be fluctuating. It is found that the dust acoustic wave becomes unstable when ratio of the thermal velocity with the streaming velocity of negative ions crosses some threshold value.

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