Abstract
The nonlinear wave structures of ion acoustic waves (IAWs) in an unmagnetized plasma consisting of superthermal electrons and warm ions are studied in bounded nonplanar geometry. Using reductive perturbation technique we have derived cylindrical and spherical Korteweg-de Vries (KdV) equations for IAWs to study the propagation of two-solitons. The presence of superthermally distributed electrons is shown to influence the propagation of two-solitons in nonplanar geometry.
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Sahu, B., Roychoudhury, R. Two-soliton solution of ion acoustic solitary waves in nonplanar geometry. Astrophys Space Sci 345, 91–98 (2013). https://doi.org/10.1007/s10509-013-1378-5
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DOI: https://doi.org/10.1007/s10509-013-1378-5