| Issue |
EPL
Volume 138, Number 6, June 2022
|
|
|---|---|---|
| Article Number | 63001 | |
| Number of page(s) | 6 | |
| Section | Fluid and nonlinear dynamics | |
| DOI | https://doi.org/10.1209/0295-5075/ac765c | |
| Published online | 30 June 2022 | |
Oblique propagation of ion-acoustic solitary waves in magnetized electron-positron-ion plasma with Cairns distribution
1 Department of Physics, Government Post Graduate College Mardan - Mardan 23200, Pakistan
2 Department of Physics, Islamia College Peshawar - Peshawar 25120, Pakistan
3 Department of Space Science NCGSA, Institute of Space Technology - Islamabad 44000, Pakistan
(a) mkhalid_khan@yahoo.com (corresponding author)
Received: 24 February 2022
Accepted: 7 June 2022
The propagation of ion-acoustic (IA) solitary waves (SWs) is investigated in a magnetized electron-positron-ion (EPI) plasma with Cairns distributed electrons and positrons. The Korteweg-de Vries (KdV) and modified KdV (mKdV) equations are derived for the potential by employing the reductive perturbation technique (RPT) and its solitary wave (SW) solutions are analyzed. The effects of relevant plasma parameters (viz., nonthermality parameter β, positron concentration 
, ion thermality δ and magnetic field strength Ω) on the characteristics of IA solitary structures are discussed in detail.
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