| PHYSICS OF GASES, PLASMAS, AND ELECTRIC DISCHARGES |
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Ion acoustic solitary waves in an adiabatic dusty plasma: Roles of superthermal electrons, ion loss and ionization |
| Qianghua Rao(饶强华)1,2, Hui Chen(陈辉)1,2, Sanqiu Liu(刘三秋)1,2,†, and Xiaochang Chen(陈小昌)1,2,‡ |
1 Department of Physics, School of Physics and Materials Science, Nanchang University, Nanchang 330031, China;
2 Jiangxi Province Key Laboratory of Fusion and Information Control, Nanchang University, Nanchang 330031, China |
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Abstract We investigate propagation of dust ion acoustic solitary wave (DIASW) in a multicomponent dusty plasma with adiabatic ions, superthermal electrons, and stationary dust. The reductive perturbation method is employed to derive the damped Korteweg-de Vries (DKdV) equation which describes DIASW. The result reveals that the adiabaticity of ions significantly modifies the basic features of the DIASW. The ionization effect makes the solitary wave grow, while collisions reduce the growth rate and even lead to the damping. With the increases in ionization cross section ${\Delta \sigma}/{\sigma_0}$, ion-to-electron density ratio ${\delta}_{\rm{ie}}$ and superthermal electrons parameter $\kappa$, the effect of ionization on DIASW enhances.
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Received: 22 March 2024
Revised: 30 April 2024
Accepted manuscript online:
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PACS:
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52.25.Jm
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(Ionization of plasmas)
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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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94.05.Fg
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(Solitons and solitary waves)
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94.05.Bf
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(Plasma interactions with dust and aerosols)
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| Fund: The work was supported by the Project of Scientific and Technological Innovation Base of Jiangxi Province, China (Grant No. 20203CCD46008), the Key R&D Plan of Jiangxi Province, China (Grant No. 20223BBH80006), the Natural Science Foundation of Jiangxi Province, China (Grant No. 20212BAB211025), and the Jiangxi Province Key Laboratory of Fusion and Information Control (Grant No. 20171BCD40005). |
Corresponding Authors:
Sanqiu Liu, Xiaochang Chen
E-mail: sqlgroup@ncu.edu;xcchen1985@ncu.edu.cn
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Cite this article:
Qianghua Rao(饶强华), Hui Chen(陈辉), Sanqiu Liu(刘三秋), and Xiaochang Chen(陈小昌) Ion acoustic solitary waves in an adiabatic dusty plasma: Roles of superthermal electrons, ion loss and ionization 2024 Chin. Phys. B 33 085201
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