Dust acoustic solitons with variable particle charge: role of the ion distribution.

Abstract

Dust-acoustic solitons of large amplitude with variable particle charge are studied using the Sagdeev quasipotential analysis. Two limiting cases of ion distribution are considered separately: Boltzmann and highly energetic cold ions. It is shown that in both cases only compressive (density) solitons are possible. The charge variation is not important in… (More)

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