Kinetic approach to low-frequency waves in dusty self-gravitating plasmas

Details Kinetic approach to low-frequency waves in dusty self-gravitating plasmas Kinetic approach to low-frequency waves in dusty self-gravitating plasmas

Jun 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001phrve..63f6406y&link_type=abstract

Physical Review E, vol. 63, Issue 6, id. 066406

Physics

3

Dusty Or Complex Plasmas, Plasma Crystals, Electrostatic Waves And Oscillations, Magnetohydrodynamics And Plasmas

Scientific paper

A kinetic model is derived for the propagation of low-frequency waves in a dusty plasma containing very heavy dust particles, when the self-gravitational interaction due to these grains is included in the analysis. Analytical expressions for the dispersion function are used to examine the instability and damping of the modes. The stability regions of low-frequency waves are compared in the kinetic and the analogous hydrodynamic models, showing that there are only slight differences. However, the kinetic analysis modifies the growth rates of the Jeans instability and can considerably alter the conditions for the propagation of stable dust modes.

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