TITLE

Propagation of the three-dimensional dust acoustic solitons in magnetized quantum plasmas with dust polarity effect

AUTHOR(S)
Sadiq, M.; Ali, S.; Sabry, R.
PUB. DATE
January 2009
SOURCE
Physics of Plasmas;Jan2009, Vol. 16 Issue 1, pN.PAG
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The quantum hydrodynamical model is employed to investigate the nonlinear properties of the quantum dust acoustic waves in a magnetized dusty plasma composed of inertialess electrons, ions, and mobile positive/negative charged dust particles. For this purpose, a quantum Zakharov–Kuznetsov equation is derived and the basic features of the electrostatic excitations are investigated by applying the direct method. It is found that positive and negative bell-shaped solitary pulses become explosive pulses depending mainly upon the angles of propagation and dust polarity. Furthermore, the effects due to nondimensional quantum parameter and the external magnetic field are examined on the width of the quantum dust acoustic solitary pulses. The relevance of the present results to semiconductor quantum wells is mentioned.
ACCESSION #
36377636

 

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