Dust particulate-phonon interaction

Details Dust particulate-phonon interaction Dust particulate-phonon interaction

Oct 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998aipc..446..117i&link_type=abstract

Seventh workshop on the physics of dusty plasmas. AIP Conference Proceedings, Volume 446, pp. 117-130 (1998).

Physics

1

Impurities In Plasmas, Electrostatic Waves And Oscillations, Magnetohydrodynamic And Fluid Equation

Scientific paper

Collective behavior of dust particulates placed in a plasma sheath in the presence of ion acoustic wave is studied. The interaction between dust particulates and ion acoustic wave is treated as a scattering process between dust particulates and phonons (quasi-particles of ion acoustic wave). It is shown that when the streaming of ions becomes supersonic, the system is stable and the ordered structure of plasma crystal is expected to form in the potential of shock-like wake. When the streaming velocity becomes subsonic, the system becomes unstable and the dust particulates are expected to experience phase transition and to show disordered structure.

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