Computer Science – Sound
Scientific paper
Oct 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aipc..799..173l&link_type=abstract
NEW VISTAS IN DUSTY PLASMAS: Fourth International Conference on the Physics of Dusty Plasmas. AIP Conference Proceedings, Volum
Computer Science
Sound
3
Dusty Plasmas, Plasma Solitons, Acoustic Wave Propagation, Plasma Ion Acoustic Waves, Numerical Analysis, Dusty Or Complex Plasmas, Plasma Crystals, Sound Waves, Solitons, Bgk Modes
Scientific paper
The steady state of an inhomogeneous collisional dusty plasma is formulated self-consistently and the dust-ion-acoustic soliton propagation in such a plasma is studied by using the reductive perturbation method. The steady state is governed by the ambipolar diffusion theory, which includes the spatially varying collisions of electrons and ions with dust grains and is solved numerically with the boundary value problem. The effects of the nonuniformity of the equilibrium quantities on the solitons are considered. It is shown that the property of the solitons, especially the characteristic width, are sensitive to the variations of the steady state.
Li Yang-Fang
Ma J. X.
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