Dust-acoustic solitary structures in plasmas with nonthermal electrons and positive dust

Large dust-acoustic solitons and kinks in dusty plasmas with positive cold dust, nonthermally distributed electrons and Boltzmann ions have been studied in a systematic way, to delimit their compositional parameter space. The existence domain of positive solitons is limited by infinite dust compress...

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Published in:Nonlinear processes in geophysics 2008-07, Vol.15 (4), p.551-555
Main Authors: Verheest, F., Pillay, S. R.
Format: Article
Language:English
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Acoustics
Dust
Electrons
Ions
Plasma physics
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description Large dust-acoustic solitons and kinks in dusty plasmas with positive cold dust, nonthermally distributed electrons and Boltzmann ions have been studied in a systematic way, to delimit their compositional parameter space. The existence domain of positive solitons is limited by infinite dust compression, of negative ones by the occurrence of potential kinks, provided the electrons are sufficiently nonthermal and there is sufficient positive charge on the dust. There is a parameter range where both negative and positive solitary structures coexist.
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source Publicly Available Content Database; EZB Electronic Journals Library
subjects Acoustics
Dust
Electrons
Ions
Plasma physics
title Dust-acoustic solitary structures in plasmas with nonthermal electrons and positive dust
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