Arbitrary electron acoustic waves in degenerate dense plasmas
Sign Up to like & getrecommendations! Published in 2017 at "Indian Journal of Physics"
DOI: 10.1007/s12648-016-0935-5
Abstract: A theoretical investigation is carried out of the nonlinear dynamics of electron-acoustic waves in a collisionless and unmagnetized plasma whose constituents are non-degenerate cold electrons, ultra-relativistic degenerate electrons, and stationary ions. A dispersion relation is… read more here.
Keywords: arbitrary electron; degenerate dense; electron acoustic; acoustic waves ... See more keywords
The Potential Role of Modified Electron Acoustic Wave and Nonlinear Mode Coupling in Mono‐Energetic Aurora
Sign Up to like & getrecommendations! Published in 2023 at "Geophysical Research Letters"
DOI: 10.1029/2022gl102680
Abstract: Results from a 1D kinetic simulation, for the first time, reveal the important role of modified electron acoustic wave (MEAW) in auroral electron acceleration. Parallel electric fields, generated due to the mode coupling between kinetic… read more here.
Keywords: modified electron; mono energetic; role modified; electron acoustic ... See more keywords
Oblique propagating extraordinary spin-electron acoustic waves
Sign Up to like & getrecommendations! Published in 2018 at "Physics of Plasmas"
DOI: 10.1063/1.5047485
Abstract: Spin-electron acoustic waves (SEAWs) are found in spin-polarized plasmas due to the separate spin evolution (SSE), where electrons with different spin projections are considered as two different species. The contribution of the transverse part of… read more here.
Keywords: extraordinary spin; electron acoustic; acoustic waves; oblique propagating ... See more keywords
Interaction of electron acoustic waves in the presence of superthermal electrons in terrestrial magnetosphere
Sign Up to like & getrecommendations! Published in 2020 at "Physics of Plasmas"
DOI: 10.1063/1.5143400
Abstract: We have investigated the propagation and interaction of nonlinear electron acoustic waves (EAWs) in a plasma comprising hot (superthermal) and cold electrons and immobile ions. We have derived the Korteweg-de Vries equation for EAWs in… read more here.
Keywords: presence superthermal; waves presence; electron acoustic; acoustic waves ... See more keywords
Electron beam-plasma interaction and electron-acoustic solitary waves in a plasma with suprathermal electrons
Sign Up to like & getrecommendations! Published in 2018 at "Plasma Physics and Controlled Fusion"
DOI: 10.1088/1361-6587/aabc40
Abstract: Suprathermal electrons and inertial drifting electrons, so called electron beam, are crucial to the nonlinear dynamics of electrostatic solitary waves observed in several astrophysical plasmas. In this paper, the propagation of electron-acoustic solitary waves is… read more here.
Keywords: solitary waves; suprathermal electrons; electron acoustic; electron beam ... See more keywords
KBM approach to electron acoustic envelope soliton in viscous astrophysical plasma
Sign Up to like & getrecommendations! Published in 2021 at "Physica Scripta"
DOI: 10.1088/1402-4896/abff85
Abstract: Modulation instability (MI) of envelope soliton is studied in an unmagnetized viscous plasma. Using Krylov-Bogoliubov Mitropolsky (KBM) method, the nonlinear Schrödinger equation (NLSE) is obtained, and the growth rate of modulationally unstable electron acoustic wave… read more here.
Keywords: electron acoustic; acoustic envelope; plasma; envelope soliton ... See more keywords
Head-On Collision of Electron-Acoustic Solitons in a Magnetized Plasma
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Transactions on Plasma Science"
DOI: 10.1109/tps.2018.2874170
Abstract: The dynamics of electron-acoustic waves (EAWs) profile and its quasi-elastic head-on collision (i.e., it causes shifts of the postcollision soliton trajectories only) is investigated in a plasma consisting of cold magnetized electrons, background hot electrons… read more here.
Keywords: collision; electron acoustic; acoustic solitons; collision electron ... See more keywords
Electron-Acoustic (Un)Modulated Structures in a Plasma Having (r, q)-Distributed Electrons: Solitons, Super Rogue Waves, and Breathers
Sign Up to like & getrecommendations! Published in 2021 at "Symmetry"
DOI: 10.3390/sym13112029
Abstract: The propagation of electron-acoustic waves (EAWs) in an unmagnetized plasma, comprising (r,q)-distributed hot electrons, cold inertial electrons, and stationary positive ions, is investigated. Both the unmodulated and modulated EAWs, such as solitary waves, rogue waves… read more here.
Keywords: plasma distributed; structures plasma; modulated structures; electron acoustic ... See more keywords