Solitary waves with weak transverse perturbations in quantum dusty plasmas

Details Solitary waves with weak transverse perturbations in quantum dusty plasmas Solitary waves with weak transverse perturbations in quantum dusty plasmas

Dec 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008phpl...15l4501u&link_type=abstract

Physics of Plasmas, Volume 15, Issue 12, pp. 124501-124501-4 (2008).

Physics

3

Dusty Or Complex Plasmas, Plasma Crystals, Solitons, Bgk Modes

Scientific paper

Using the quantum hydrodynamic model, quantum dust ion-acoustic solitary waves are investigated in the presence of weak transverse perturbations. The linear dispersion relation is obtained using the Fourier analysis. The two-dimensional (2D) propagation of small amplitude nonlinear waves is studied by deriving the Kadomtsev-Petviashvili (KP) equation. The traveling wave solution of the KP equation is obtained by employing the tanh method. By dint of this solution, the effects of quantum Bohm pressure and the dust concentration on the 2D solitary structure are studied. The effect of quantum Bohm potential on the stability of the KP soliton is also investigated. The results are supported by the numerical analysis and the relevance of the present investigation in dense astrophysical environments is also pointed out.

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