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

被引：15
|
作者：
Khalid, Muhammad [1 ,2 ]
Ullah, Ghufran [1 ]
Khan, Mohsin [2 ]
Ahmad, Sheraz [1 ]
Nabi, Sardar [1 ]
Khan, Daud [3 ]
机构：
[1] Govt Post Grad Coll Mardan, Dept Phys, Mardan 23200, Pakistan
[2] Islamia Coll Peshawar Publ Sect Univ, Dept Phys, Peshawar 25120, Pakistan
[3] Govt Post Grad Coll Nowshera, Dept Phys, Nowshera 24100, Pakistan
来源：
PLASMA SCIENCE & TECHNOLOGY | 2021年 / 23卷 / 03期
关键词：
ion-acoustic cnoidal waves; KdV equation; q-distribution;
D O I：
10.1088/2058-6272/abda23
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
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 sigma, obliqueness l(3)) on the characteristics of IACWs is discussed in detail.
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页数：6
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