| Oblique propagation of nonlinear ion-acoustic cnoidal waves in magnetized electron–positron–ion plasmas with nonextensive electrons |
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| 作者姓名： | Muhammad KHALID Ghufran ULLAH Mohsin KHAN Sheraz AHMAD Sardar NABI Daud KHAN |
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| 作者单位： | Department of Physics,Government Post Graduate College Mardan,Mardan 23200,Pakistan;Department of Physics,Islamia College Peshawar(Public Sector University),Peshawar 25120,Pakistan;Department of Physics,Government Post Graduate College Mardan,Mardan 23200,Pakistan;Department of Physics,Islamia College Peshawar(Public Sector University),Peshawar 25120,Pakistan;Department of Physics,Government Post Graduate College Nowshera,Nowshera 24100,Pakistan |
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| 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 σ,obliqueness l_3) on the characteristics of IACWs is discussed in detail.
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| 收稿时间： | 2020-11-02 |
| 修稿时间： | 2021-01-09 |
Oblique propagation of nonlinear ion-acoustic cnoidal waves in magnetized electron-positron-ion plasmas with nonextensive electrons |
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| 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 & Technology,2021,23(3):35301-81. |
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| Authors: | Muhammad KHALID Ghufran ULLAH Mohsin KHAN Sheraz AHMAD Sardar NABI Daud KHAN |
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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. |
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| Keywords: | ion-acoustic cnoidal waves KdV equation q-distribution |
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