Nonlinear ion-acoustic solitary waves in an electron-positron-ion plasma with relativistic positron beam

doi:10.1088/1674-1056/27/10/105207

中国物理B ›› 2018, Vol. 27 ›› Issue (10): 105207-105207.doi: 10.1088/1674-1056/27/10/105207

• PHYSICS OF GASES, PLASMAS, AND ELECTRIC DISCHARGES • 上一篇下一篇

Nonlinear ion-acoustic solitary waves in an electron-positron-ion plasma with relativistic positron beam

Ridip Sarma, Amar P Misra, Nirab C Adhikary

1 Department of Mathematics, University of Science and Technology, Techno City, Khanapara, Baridua, 9th Mile, Ri-Bhoi, Meghalaya, India;
2 Department of Mathematics, Siksha Bhavana, Visva-Bharati University, Santiniketan-731235, West Bengal, India;
3 Physical Sciences Division, Institute of Advanced Study in Science and Technology, Vigyan Path, Paschim Boragaon, Garchuk, Guwahati-781035, Assam, India

收稿日期:2018-02-22 修回日期:2018-05-24 出版日期:2018-10-05 发布日期:2018-10-05
通讯作者: Nirab C Adhikary E-mail:iasst@yahoo.co.in

Nonlinear ion-acoustic solitary waves in an electron-positron-ion plasma with relativistic positron beam

Ridip Sarma¹, Amar P Misra², Nirab C Adhikary³

1 Department of Mathematics, University of Science and Technology, Techno City, Khanapara, Baridua, 9th Mile, Ri-Bhoi, Meghalaya, India;
2 Department of Mathematics, Siksha Bhavana, Visva-Bharati University, Santiniketan-731235, West Bengal, India;
3 Physical Sciences Division, Institute of Advanced Study in Science and Technology, Vigyan Path, Paschim Boragaon, Garchuk, Guwahati-781035, Assam, India

Received:2018-02-22 Revised:2018-05-24 Online:2018-10-05 Published:2018-10-05
Contact: Nirab C Adhikary E-mail:iasst@yahoo.co.in

摘要/Abstract

摘要：

The propagation characteristics of nonlinear ion-acoustic (IA) solitary waves (SWs) are studied in thermal electron-positron-ion plasma considering the effect of relativistic positron beam. Starting from a set of fluid equations and using the reductive perturbation technique, we derive a Korteweg-de Vries (KdV) equation which governs the evolution of weakly nonlinear IA SWs in relativistic beam driven plasmas. The properties of the IA soliton are studied, and it is shown that the presence of relativistic positron beam significantly modifies the characteristics of IA solitons.

关键词: electron-positron-ion plasma, relativistic effect, ion-acoustic wave, homogeneous balance method

Abstract:

Key words: electron-positron-ion plasma, relativistic effect, ion-acoustic wave, homogeneous balance method

中图分类号: (Electrostatic waves and oscillations (e.g., ion-acoustic waves))

52.35.Fp

52.35.Mw (Nonlinear phenomena: waves, wave propagation, and other interactions (including parametric effects, mode coupling, ponderomotive effects, etc.)) 52.35.Sb (Solitons; BGK modes) 52.27.Ny (Relativistic plasmas)

Ridip Sarma, Amar P Misra, Nirab C Adhikary. Nonlinear ion-acoustic solitary waves in an electron-positron-ion plasma with relativistic positron beam[J]. 中国物理B, 2018, 27(10): 105207-105207.

Ridip Sarma, Amar P Misra, Nirab C Adhikary. Nonlinear ion-acoustic solitary waves in an electron-positron-ion plasma with relativistic positron beam[J]. Chin. Phys. B, 2018, 27(10): 105207-105207.

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Nonlinear ion-acoustic solitary waves in an electron-positron-ion plasma with relativistic positron beam

Nonlinear ion-acoustic solitary waves in an electron-positron-ion plasma with relativistic positron beam

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