Characteristics of ion-acoustic solitary wave in a laboratory dusty plasma under the influence of ion-beam
作者： M. K. Deka , N. C. Adhikary , A. P. Misra , H. Bailung , Y. Nakamura
DOI: 10.1063/1.4757217
关键词: Atomic physics 、 Plasma 、 Physics 、 Amplitude 、 Dusty plasma 、 Beam (structure) 、 Critical ionization velocity 、 Phase velocity 、 Ion beam 、 Ion
摘要: We study the influence of ion beam and charged dust impurity on propagation ion-acoustic (DIA) solitary wave (SW) in an unmagnetized plasma consisting Boltzmann distributed electrons, positive ions, negatively immobile dusts a double device. On interacting with beam, is bifurcated into compressive fast rarefactive slow mode, appears along primary wave. However, there exists critical velocity beyond which amplitude starts diminishing mode propagates growing amplitude. Whereas, presence reduces this substantial modification phase observed increasing density. Furthermore, nonlinear (Mach number) as well width solitons are measured for different density, compared those obtained from K-dV equation. The experimental results found agreement theoretical predictions.
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