Nonlinear dynamic of low-frequency Buneman instability of a current-driven plasma

B Shokri, AR Niknam - Physics of plasmas, 2005 - pubs.aip.org
Theoretical investigation of the nonlinear dynamic of the low-frequency Buneman instability
of a current-driven plasma is presented. In the nonlinear stage, this instability is described by …

Electron-exchange and correlation effects on filamentation instability of a high-density current-driven plasma

MR Taghadosi, AR Niknam… - Physics of Plasmas, 2020 - pubs.aip.org
The effects of exchange and correlation on the filamentation instability of a high-density
current-driven plasma are theoretically investigated under diffusion conditions by applying …

Nonlinear filamentation of a current-carrying plasma

AR Niknam, B Shokri - Physics of Plasmas, 2008 - pubs.aip.org
The nonlinear filamentation in a nonrelativistic collisional current-carrying plasma in the
diffusion frequency region is investigated. It is shown that by using the two-fluid plasma …

Discharge plasma instabilities in the presence of an external constant electric field

B Shokri, AR Niknam - Physics of Plasmas, 2003 - pubs.aip.org
The instabilities of a weakly ionized quasineutral plasma embedded in an external constant
electric field are investigated. Special attention is paid to the dispersion equation with taking …

Simulation of filamentation instability of a current-carrying plasma by particle in cell method

AR Niknam, PS Mostafavi, D Komaizi… - Physics of Plasmas, 2012 - pubs.aip.org
The nonlinear dynamics of filamentation instability in a weakly ionized current-carrying
plasma in the diffusion frequency region is studied using particle in cell simulation. The …

Ion-acoustic filamentation of a current-driven plasma

B Shokri, SM Khorashadi, M Dastmalchi - Physics of Plasmas, 2002 - pubs.aip.org
When a high-power em wave interacts with plasmas, various parametric instabilities are
excited in the plasma. 1–5 Among these, the filamentation instability occurs at moderate …

Kinetic theory of surface waves in plasma jets

B Shokri - Physics of Plasmas, 2002 - pubs.aip.org
The kinetic theory analysis of surface waves propagating along a semi-bounded plasma jet
is presented. The frequency spectra and their damping rate are obtained in both the high …

Filamentation instability of current-driven dust ion-acoustic waves in a collisional dusty plasma

AR Niknam, T Haghtalab, SM Khorashadizadeh - Physics of Plasmas, 2011 - pubs.aip.org
A theoretical investigation has been made of the dust ion-acoustic filamentation instability in
an unmagnetized current-driven dusty plasma by using the Lorentz transformation formulas …

Spatial and temporal evolution of filamentation instability in a current-carrying plasma

B Mohammadhosseini, AR Niknam, B Shokri - Physics of Plasmas, 2010 - pubs.aip.org
The spatial and temporal evolution of the electric and magnetic fields in a current-carrying
plasma is investigated in the nonlinear regime. Using the magnetohydrodynamic equations …

Relativistic filamentation of intense laser beam in inhomogeneous plasma

X Xia, L Yi - Plasma Science and Technology, 2012 - iopscience.iop.org
In the paper, relativistic filamentation of intense laser beam in inhomogeneous plasma is
investigated based on the nonparaxial region theory. The results show that, relativistic …