Abstract
The KdV equation is derived for weakly nonlinear ion-acoustic waves in an unmagnetized warm dusty plasma with electron inertia. It has been shown that the inclusion of electron inertia and pressure variation of the species not only significantly modifies the basic features (width and amplitude) of dust ion-acoustic solitions, but also introduces a new parametric regime for the existence of positive and negative solitons.
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Barman, S.N., Talukdar, A. Propagation of ion-acoustic waves in a warm dusty plasma with electron inertia. Astrophys Space Sci 334, 345–349 (2011). https://doi.org/10.1007/s10509-011-0729-3
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DOI: https://doi.org/10.1007/s10509-011-0729-3