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Ion acoustic solitary waves in magnetized electron–positron–ion plasmas with Tsallis distributed electrons
Author(s) -
Ullah Ghufran,
Saleem Muhammad,
Khan Mohsin,
Khalid Muhammad,
Rahman Ataur,
Nabi Sardar
Publication year - 2020
Publication title -
contributions to plasma physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.531
H-Index - 47
eISSN - 1521-3986
pISSN - 0863-1042
DOI - 10.1002/ctpp.202000068
Subject(s) - physics , ion , electron , positron , korteweg–de vries equation , plasma , atomic physics , magnetic field , quantum mechanics , nonlinear system
The propagation of ion acoustic (IA) solitary waves is investigated in a magnetized electron‐positron‐ion (EPI) plasma with Tsalli distributed electrons and Maxwellian positrons. A non‐linear Korteweg–de Vries (KdV)‐type equation is derived for the potential by using the reductive perturbation method (RPM), and its solitary wave solution is analysed. For a given set of plasma parameters, the present model supports only compressive IA solitary structures. It is found that the variation of various relevant plasma parameters, like the nonextensive parameter q , temperature ratio σ , direction cosine l z , the positron concentration γ and the magnetic field strength Ω significantly alter the characteristic properties of IA solitary waves.