期刊
PHYSICS OF PLASMAS
卷 16, 期 1, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3055599
关键词
dusty plasmas; plasma ion acoustic waves; plasma magnetohydrodynamics; plasma solitons; plasma theory
资金
- Higher Education Commission Pakistan
Two-dimensional, obliquely propagating nonlinear quantum dust-acoustic waves in dense magnetized plasmas are investigated on the basis of a quantum hydrodynamic model. In this regard, the Zakharov-Kuznetsov (ZK) equation is derived using the small amplitude approximation method. The extended hyperbolic tangent method is employed to obtain solitary and explosive solutions of the ZK equation. It is found that the quantum effects related to the Bohm potential, dust concentration, external magnetic field, and obliqueness significantly modify the amplitude and width of both solitary and explosive pulses. The relevance of the study to dense plasmas is also discussed.
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