Oblique propagation of nonlinear ion-acoustic cnoidal waves in magnetized electron–positron–ion plasmas with nonextensive electrons

Muhammad KHALID; Ghufran ULLAH; Mohsin KHAN; Sheraz AHMAD; Sardar NABI; Daud KHAN

doi:10.1088/2058-6272/abda23

Plasma Science and Technology > 2021 > 23(3): 35301-035301. > DOI: 10.1088/2058-6272/abda23

Muhammad KHALID, Ghufran ULLAH, Mohsin KHAN, Sheraz AHMAD, Sardar NABI, Daud KHAN. Oblique propagation of nonlinear ion-acoustic cnoidal waves in magnetized electron–positron–ion plasmas with nonextensive electrons[J]. Plasma Science and Technology, 2021, 23(3): 35301-035301. DOI: 10.1088/2058-6272/abda23

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Oblique propagation of nonlinear ion-acoustic cnoidal waves in magnetized electron–positron–ion plasmas with nonextensive electrons

1 Department of Physics, Government Post Graduate College Mardan, Mardan 23200, Pakistan
2 Department of Physics, Islamia College Peshawar (Public Sector University), Peshawar 25120, Pakistan
3 Department of Physics, Government Post Graduate College Nowshera, Nowshera 24100, Pakistan

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Received Date: November 01, 2020
Revised Date: January 08, 2021
Accepted Date: January 08, 2021

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Abstract

Theoretical investigation of nonlinear electrostatic ion-acoustic cnoidal waves (IACWs) is presented in magnetized electron–positron–ion plasma with nonextensive electrons and Maxwellian positrons. Using reductive perturbation technique, Korteweg–de Vries equation is derived and its cnoidal wave solution is analyzed. For given plasma parameters, our model supports only positive potential (compressive) IACW structures. The effect of relevant plasma parameters (viz., nonextensive parameter q, positron concentration p, temperature ratio σ, obliqueness l₃) on the characteristics of IACWs is discussed in detail.
- ion-acoustic cnoidal waves,
- KdV equation,
- q-distribution

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Oblique propagation of nonlinear ion-acoustic cnoidal waves in magnetized electron–positron–ion plasmas with nonextensive electrons

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Oblique propagation of nonlinear ion-acoustic cnoidal waves in magnetized electron–positron–ion plasmas with nonextensive electrons

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