Journal
PHYSICS OF PLASMAS
Volume 18, Issue 10, Pages -Publisher
AIP Publishing
DOI: 10.1063/1.3642639
Keywords
dusty plasmas; Korteweg-de Vries equation; perturbation theory; plasma density; plasma ion acoustic waves; plasma solitons
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Cylindrical and spherical Korteweg-de Vries equations are derived for dust acoustic solitary waves in an unmagnetized three species plasma system, comprised of negatively charged cold dust, nonextensive ions and nonextensive electrons using standard reductive perturbation method. The effects of qe-nonextensive electrons, qi-nonextensive ions, electron-to-ion number density ratio mu, and nonplanar geometry on the profiles of the amplitudes of the solitary structures are examined numerically. (C) 2011 American Institute of Physics. [doi:10.1063/1.3642639]
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