Sunidhi Singla;Geetika Slathia;Rajneet Kaur;N. S. Saini
{"title":"Higher Order Corrections to Kinetic Alfvén Waves in Nonthermal Plasma","authors":"Sunidhi Singla;Geetika Slathia;Rajneet Kaur;N. S. Saini","doi":"10.1109/TPS.2024.3454816","DOIUrl":null,"url":null,"abstract":"In this investigation, the formation of kinetic Alfvén (KA) solitons in nonthermal electron-positron–ion (e-p-i) plasma has been illustrated. The Korteweg-de Vries (KdV) equation is derived by using the reductive perturbation technique. Further, the inclusion of higher order (HO) such as nonlinear and dispersion effects and inhomogeneous KdV-type equation is derived. Only positive potential KA wave (KAW) solitons are evolved in the given plasma environment. The influence of plasma beta, positron density, and nonthermality of electrons and positrons has been analyzed to study the characteristics of KAW solitons. The combined impact of density, nonthermality of electrons, as well as positrons has vastly modified the characteristics of solitons as well as dressed KAW solitons. This investigation may have applications for particle acceleration and energy transportation in interstellar medium where nonthermal electron and positron pairs exist.","PeriodicalId":450,"journal":{"name":"IEEE Transactions on Plasma Science","volume":"52 7","pages":"2460-2466"},"PeriodicalIF":1.3000,"publicationDate":"2024-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"IEEE Transactions on Plasma Science","FirstCategoryId":"101","ListUrlMain":"https://ieeexplore.ieee.org/document/10684990/","RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"PHYSICS, FLUIDS & PLASMAS","Score":null,"Total":0}
引用次数: 0
Abstract
In this investigation, the formation of kinetic Alfvén (KA) solitons in nonthermal electron-positron–ion (e-p-i) plasma has been illustrated. The Korteweg-de Vries (KdV) equation is derived by using the reductive perturbation technique. Further, the inclusion of higher order (HO) such as nonlinear and dispersion effects and inhomogeneous KdV-type equation is derived. Only positive potential KA wave (KAW) solitons are evolved in the given plasma environment. The influence of plasma beta, positron density, and nonthermality of electrons and positrons has been analyzed to study the characteristics of KAW solitons. The combined impact of density, nonthermality of electrons, as well as positrons has vastly modified the characteristics of solitons as well as dressed KAW solitons. This investigation may have applications for particle acceleration and energy transportation in interstellar medium where nonthermal electron and positron pairs exist.
期刊介绍：
The scope covers all aspects of the theory and application of plasma science. It includes the following areas: magnetohydrodynamics; thermionics and plasma diodes; basic plasma phenomena; gaseous electronics; microwave/plasma interaction; electron, ion, and plasma sources; space plasmas; intense electron and ion beams; laser-plasma interactions; plasma diagnostics; plasma chemistry and processing; solid-state plasmas; plasma heating; plasma for controlled fusion research; high energy density plasmas; industrial/commercial applications of plasma physics; plasma waves and instabilities; and high power microwave and submillimeter wave generation.
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