PHYSICS OF GASES, PLASMAS, AND ELECTRIC DISCHARGES |
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The (1+1)-dimensional nonlinear ion acoustic waves in multicomponent plasma containing kappa electrons |
Mai-Mai Lin(林麦麦)†, Lei Jiang(蒋蕾), and Ming-Yue Wang(王明月) |
College of Physics and Electronic Engineering, Northwest Normal University, Lanzhou 730070, China |
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Abstract Large amplitude (1+1)-dimensional nonlinear ion acoustic waves are theoretically studied in multicomponent plasma consisting of positively charged ions and negatively charged ions, ion beam, kappa-distributed electrons, and dust grains, respectively. By using the Sagdeev potential method, the dynamical system and the Sagdeev potential function are obtained. The important influences of system parameters on the phase diagram of this system are investigated. It is found that the linear waves, the nonlinear waves and the solitary waves are coexistent in the multicomponent plasma system. Meanwhile, the variations of Sagdeev potential with parameter can also be obtained. Finally, it seems that the propagating characteristics of (1+1)-dimensional nonlinear ion acoustic solitary waves and ion acoustic nonlinear shock wave can be influenced by different parameters of this system.
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Received: 11 May 2023
Revised: 15 July 2023
Accepted manuscript online: 20 July 2023
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PACS:
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52.35.Mw
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(Nonlinear phenomena: waves, wave propagation, and other interactions (including parametric effects, mode coupling, ponderomotive effects, etc.))
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05.45.Yv
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(Solitons)
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47.20.Ky
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(Nonlinearity, bifurcation, and symmetry breaking)
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Corresponding Authors:
Mai-Mai Lin
E-mail: Linmaimai1514@126.com
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Cite this article:
Mai-Mai Lin(林麦麦), Lei Jiang(蒋蕾), and Ming-Yue Wang(王明月) The (1+1)-dimensional nonlinear ion acoustic waves in multicomponent plasma containing kappa electrons 2023 Chin. Phys. B 32 125201
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