Streaming instability in plasmas with opposite polarity grains

Details Streaming instability in plasmas with opposite polarity grains Streaming instability in plasmas with opposite polarity grains

Nov 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002phpl....9.4822t&link_type=abstract

Physics of Plasmas, Volume 9, Issue 11, pp. 4822-4824 (2002).

Physics

2

Dusty Or Complex Plasmas, Plasma Crystals, Impurities In Plasmas, Electrostatic Waves And Oscillations

Scientific paper

The dust streaming instability in plasmas with opposite polarity grains is analyzed analytically. For this purpose, a dispersion relation is derived by employing a Boltzmann response for the electrons and ions and a hydrodynamic response to positively and negatively charged dust grains that co-exist in an unmagnetized plasma. The dispersion relation admits new instabilities in both collisionless and collisional regimes. The results may have relevance to understanding the origin of electrostatic turbulence in the Earth's mesosphere, meteor trails, and cometary tails.

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