Abstract
In this work, the nonlinear KdV solitary structures have been studied in electron acoustic waves in a thermal magnetoplasma with Kappa-distributed ions by employing a reductive perturbation technique. Relativistic streaming effects are also incorporated. External forcing term on the KdV soliton is studied via the forced KdV equation. Further nonlinear self-interactions have been studied through the nonlinear Schrödinger equation. Dynamical systems have been studied and the parametric phase portraits are graphically analyzed. The results will be helpful in the laboratory plasmas where magnetic confinement is employed. High-energy plasma at greater density can be studied with our model problem.
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The authors thank the esteemed referees for their valuable comments that have helped in the up-gradation of the manuscript. Special thanks to the computational facility of the Institute of Natural Sciences and Applied Technology, Kolkata.
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This article is part of the Special Issue on “Waves, Instabilities and Structure Formation in Plasmas”.
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Chandra, S., Banerjee, R., Sarkar, J. et al. Multistability studies on electron acoustic wave in a magnetized plasma with supra-thermal ions. J Astrophys Astron 43, 71 (2022). https://doi.org/10.1007/s12036-022-09835-6
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DOI: https://doi.org/10.1007/s12036-022-09835-6