Acoustic Solitons and Double Layers in a Two-Ion-Temperature Dusty Plasma

Details Acoustic Solitons and Double Layers in a Two-Ion-Temperature Dusty Plasma Acoustic Solitons and Double Layers in a Two-Ion-Temperature Dusty Plasma

Oct 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aipc..799..498h&link_type=abstract

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

Computer Science

Sound

Dusty Plasmas, Plasma Solitons, Plasma Ion Acoustic Waves, Plasma Sheaths, Plasma Thermodynamics, Plasma Temperature, Dusty Or Complex Plasmas, Plasma Crystals, Solitons, Bgk Modes, Sound Waves, Plasma Sheaths, Thermodynamics Of Plasmas

Scientific paper

Using the fluid dynamic paradigm, we study acoustic solitons in a dusty plasma with two ion temperatures, using a polytropic equation of state. On the ion-acoustic timescale we consider a four-component plasma, with super-hot electrons and massive dust grains. We find existence regimes for both positive and negative potential solitons and double layers. For dust-acoustic solitons, we consider a three-component plasma, with no free electrons, and ``super-hot'' hot ions. This model supports both positive and negative potential solitons, unlike a dust-ion-electron plasma, that allows only negative solitons.

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