A new damping effect for the dust-acoustic wave

Details A new damping effect for the dust-acoustic wave A new damping effect for the dust-acoustic wave

Apr 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993p%26ss...41..321m&link_type=abstract

Planetary and Space Science (ISSN 0032-0633), vol. 41, no. 4, p. 321-325.

Statistics

Applications

202

Ion Acoustic Waves, Planetary Rings, Plasma Waves, Space Plasmas, Landau Damping, Plasma Composition, Plasma Currents, Vibration Damping

Scientific paper

We have computed the dispersion relation for low-frequency dust-acoustic waves including dust charge variation. A phase difference between the dust charge variation and the wave can lead to a strong damping of the wave. We present analytical expressions for the wave dispersion and the damping rate for dust-acoustic waves in a not too dense dusty plasma and discuss possible applications of the theory for dust waves in planetary dust rings.

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