Abstract.
Effects of nonadiabaticity of variable dust charge, dust fluid temperature, trapped electrons as well as nonisothermality of ions on the amplitude modulation of dust acoustic waves in an unmagnetized dusty plasma are investigated. A modified nonlinear Schrödinger equation (NLSE) is obtained by the standard reductive perturbation technique and is solved numerically by the split-step Fourier method. The modulational instability and the envelope solitary wave structure are found to be modified somewhat by the effects of nonthermally distributed ions and trapped electrons.
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Misra, A., Roy Chowdhury, A. Modulational instability of dust acoustic waves in a dusty plasma with nonthermal electrons and ions. Eur. Phys. J. D 39, 49–57 (2006). https://doi.org/10.1140/epjd/e2006-00079-1
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DOI: https://doi.org/10.1140/epjd/e2006-00079-1