Modulational Instability of Dust Ion Acoustic Waves in a Collisional
Dusty Plasma |
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Authors: | XUE Ju-Kui |
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Institution: | College of Physics and Electronic Engineering, Northwest
Normal University, Lanzhou 730070, China |
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Abstract: | The modulational instability of dust ion acoustic waves in a dust
plasma with ion-dust collision effects is studied. Using the
perturbation method, a modified nonlinear Schrödinger equation
contains a damping term that comes from the effect of the ion-dust
collision is derived. It is found that the inclusion of the
ion-dust collision would modify the modulational instability of
the wave packet and could not admit any stationary envelope
solitary waves. |
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Keywords: | dust plasma ion-dust collision |
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