Abstract
The propagation and interaction of dust-ion-acoustic solitons in the plasma composed of superthermal electrons and positrons, positively charged inertial ion, and static dust particles is examined in this work. The reductive perturbation method for small amplitude is adopted to derive the KdV equation. Hirota’s bilinear method has been employed to calculate the multisoliton solutions of the KdV equation. The role of various plasma parameters on the soliton has been studied. It has been observed that the superthermality of the electrons and positrons and their concentration can alter the nature of the solitons. The presence of dust particles also influence the solitary structures. These results can be used to understand the nonlinear structures in different space and atmospheric environment, e.g. in the Van Allen radiation belt.
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Dutta, D., Goswami, K.S. (2022). Dust-Ion-Acoustic Multisoliton Interactions in the Presence of Superthermal Particles. In: Banerjee, S., Saha, A. (eds) Nonlinear Dynamics and Applications. Springer Proceedings in Complexity. Springer, Cham. https://doi.org/10.1007/978-3-030-99792-2_25
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