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Related papers: Double-layer shocks in a magnetized quantum plasma

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A theoretical investigation has been carried out on the propagation of nonlinear ion-acoustic shock waves (IASHWs) in a collsionless magnetized degenerate quantum plasma system composed of inertial non-relativistic positively charged light…

Plasma Physics · Physics 2021-04-07 M. K. Islam , S. Biswas , N. A. Chowdhury , A. Mannan , M. Salahuddin , A. A. Mamun

The quantum hydrodynamic model of the electrostatic waves in the two parallel layers of two dimensional electron gases (2DEGs) is developed. It is considered for two regimes: classic regime and quantum regime with the separate spin…

Plasma Physics · Physics 2020-01-08 Pavel A. Andreev , T. G. Kiriltseva , Punit Kumar , L. S. Kuz'menkov

A theoretical investigation has been made on the propagation of ion-acoustic (IA) shock waves (IASHWs) in a magnetized pair-ion plasma having inertial warm positive and negative ions, and inertialess super-thermal electrons and positrons.…

Plasma Physics · Physics 2024-06-19 N. M. Heera , J. Akter , N. K. Tamanna , N. A. Chowdhury , T. I. Rajib , S. Sultana , A. A. Mamun

The propagation characteristics of small-amplitude dust-acoustic (DA) solitary waves (SWs) and shocks are studied in an unmagnetized dusty plasma with a pair of trapped positive and negative ions. Using the standard reductive perturbation…

Plasma Physics · Physics 2017-07-04 N. C. Adhikary , A. P. Misra , M. K. Deka , A. N. Dev

We examine the properties of linear electrostatic waves in unmagnetized quantum and classical plasmas consisting of one or two populations of electrons with analytically tractable distribution functions in the presence of a stationary…

Plasma Physics · Physics 2018-09-12 Shane Rightley , Dmitri Uzdensky

The paper is concerned with the propagation of ion-acoustic shock waves in a collision dominated plasma. We firstly establish the existence and uniqueness of a small-amplitude smooth travelling wave, then justify its approximation to the…

Analysis of PDEs · Mathematics 2018-06-25 Renjun Duan , Shuangqian Liu , Zhu Zhang

Particle acceleration and heating at mildly relativistic magnetized shocks in electron-ion plasma are investigated with unprecedentedly high-resolution two-dimensional particle-in-cell simulations that include ion-scale shock rippling.…

Oblique interaction of small- but finite-amplitude KdV-type electron-acoustic solitary excitations is examined in an unmagnetized two-electron-populated degenerate quantum electron-ion plasma in the framework of quantum hydrodynamics model…

Solar and Stellar Astrophysics · Physics 2015-05-27 M. Akbari-Moghanjoughi , N. Ahmadzadeh-Khosroshahi

The propagation of nonlinear electron- acoustic waves (EAWs) in an unmagnetized collision- less plasma system consisting of a cold electron fluid, superthermal hot electrons and stationary ions is investigated. A reductive perturbation…

Plasma Physics · Physics 2015-06-03 H. Chen , S. Q. Liu

It is shown that collisionless shock waves can be driven in unmagnetized electron-positron plasmas by performing a two-dimensional particle-in-cell simulation. At the shock transition region, strong magnetic fields are generated by a…

Astrophysics · Physics 2008-03-31 Tsunehiko N. Kato

Here we study the structure of a highly ionizing shock wave in a gas of high atmospheric pressure. We take into account the gas ionization when the gas temperature reaches few orders of an ionization potential. It is shown that after…

Plasma Physics · Physics 2015-09-30 A. A. Rukhadze , S. Sadykova , T. Samkharadze

We study the oblique propagation of weakly nonlinear dust-ion-acoustic (DIA) solitary waves (SWs) and shocks in collisional magnetized nonthermal dusty plasmas that are relevant in laboratory and space (Saturn's E-ring) environments. We…

Plasma Physics · Physics 2024-05-21 Num Prasad Acharya , Suresh Basnet , Amar P. Misra , Raju Khanal

We present Magnetospheric Multiscale observations of electrostatic double layers in quasi-perpendicular Earth's bow shock. These double layers have predominantly parallel electric field with amplitudes up to 100 mV/m, spatial widths of…

Space Physics · Physics 2023-01-11 Jiepu Sun , Ivan Y. Vasko , Stuart D. Bale , Rachel Wang , Forrest S. Mozer

A kinetic model for the shock acceleration of ions in laser-produced plasmas is developed. A fraction of the warm ions are accelerated by the large amplitude monotonic potential of the double layer created due the plasma compression and…

Plasma Physics · Physics 2014-02-24 Bengt Eliasson

The dissipative electron-ion-pcd (positively charged dust) plasma, which is observed in both space and laboratory plasmas, is considered. The basic features of nonplanar cylindrical and spherical ion-acoustic subsonic shock waves in such a…

Plasma Physics · Physics 2020-09-29 A A Mamun , B. E. Sharmin

Warm dense matter (WDM)--an exotic, highly compressed state of matter between solid and plasma phases is of high current interest, in particular for astrophysics and inertial confinement fusion. For the latter, in particular the propagation…

Plasma Physics · Physics 2022-01-19 F. Graziani , Z. Moldabekov , B. Olson , M. Bonitz

Electron-acoustic solitary waves (EASWs) in quantum plasma comprising stationary ions, cold electrons, hot electrons, and kappa-distributed electrons have been investigated. The generalized Kappa-Fermi distribution has been modified to…

Plasma Physics · Physics 2025-04-07 Aakanksha Singh , Punit Kumar

We analyse the full shock formation process in electron-ion plasmas in theory and simulations. It is accepted that electromagnetic shocks in initially unmagnetised relativistic plasmas are triggered by the filamentation instability.…

High Energy Astrophysical Phenomena · Physics 2015-06-24 Anne Stockem Novo , Antoine Bret , Ricardo A. Fonseca , Luis O. Silva

Theoretical and numerical studies are performed for the nonlinear structures (explosive, solitons and shock) in quantum electron-positron-ion magnetoplasmas. For this purpose, the reductive perturbation method is employed to the quantum…

Plasma Physics · Physics 2009-07-22 R. Sabry , W. M. Moslem , F. Haas , S. Ali , P. K. Shukla

We present results of 2D3V particle-in-cell simulations of non-relativistic plasma collisions with absent or parallel large-scale magnetic field for parameters applicable to the conditions at young supernova remnants. We study the collision…

High Energy Astrophysical Phenomena · Physics 2015-06-11 Jacek Niemiec , Martin Pohl , Antoine Bret , Volkmar Wieland