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Head-on collision of ion-acoustic solitary waves in magnetized plasmas with nonextensive electrons and positrons
Authors:Shi-Sen Ruan  Wei-Yan Jin  Shan Wu  Ze Cheng
Institution:1. School of Physics, Huazhong University of Science and Technology, Wuhan, 430074, China
2. School of Electronic and Information Engineering, Hubei University of Science and Technology, Xianning, 437100, China
Abstract:This article presents the first study of the head-on collision of two ion-acoustic solitary waves (IASWs) in magnetized plasmas with nonextensive electrons and positrons using the extended Poincaré-Lighthill-Kuo (PLK) method. The effects of the ion gyro-frequency to ion plasma frequency ratio, the positron to ion number density ratio, the electrons temperature to positrons temperature ratio, and the nonextensive parameter q on the phase shifts are investigated. It is shown that these factors significantly modify the phase shifts.
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