期刊
PHYSICS LETTERS A
卷 382, 期 20, 页码 1368-1373出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physleta.2018.03.027
关键词
IASWs; Dissipative solitons; dKdV equation; Oblique propagation; Superthermal electron
资金
- Alexander von Humboldt (AvH) Foundation
The oblique propagation of ion-acoustic solitary waves (IASWs) is considered, in a magnetized non-thermal collisional dusty plasma, composed of non-Maxwelian kappa-distributed electrons, inertial ions, and stationary dust. The reductive perturbation approach is adopted to derive the damped Korteweg de-Vries (dKdV) equation, and the dissipative oblique ion-acoustic wave properties are investigated in terms of different key plasma parameters via the numerical solution of the dKdV equation. The collisional effect, describing the ion-neutral collision in the plasma, is taken into account, and seen to influence the dynamics of IASWs significantly. The basic features of IASWs are observed to modify, and the polarity of the wave is seen to change due to the variation of dust to that of ion number density and also due to the variation of the supethermality index kappa in the considered plasma system. (C) 2018 Elsevier B.V. All rights reserved.
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