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Physics > Plasma Physics
Title: The ion acoustic solitary waves in the four component complex plasma with a Cairns-Tsallis distribution
(Submitted on 6 Jul 2021 (v1), last revised 22 Mar 2022 (this version, v2))
Abstract: We study the ion acoustic solitary waves in the four-component complex plasma consisting of cold inertial ions, positrons, cold and hot (two-temperature) electrons, where the electrons and positrons are the Cairns-Tsallis distribution and have different nonthermal and nonextensive parameters. Base on the plasma hydrodynamic equations and Sagdeev pseudo-potential theory, we derive the conditions of the solitary waves to exist in the plasma, such as the Sagdeev pseudo-potential, the normalized electrostatic potential, the lower and upper limits of Mach number, and the compressive/rarefactive solitary wave. We show that, according to the present study, the solitary wave solutions exist only if the positrons are a Maxwellian distribution and the two-temperature electrons have the same nonextensive and nonthermal parameters. Numerical analyses are made for the conditions of solitary waves depending on the nonextensive and nonthermal parameters in the Cairns-Tsallis distribution.
Submission history
From: Jiulin Du [view email][v1] Tue, 6 Jul 2021 04:47:02 GMT (488kb)
[v2] Tue, 22 Mar 2022 06:10:14 GMT (481kb)
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