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

Niknam, A. R.; Mostafavi, Parisa; Komaizi, D.; Salahshoor, M.

doi:10.1063/1.4748956

Cited by 12 publications

(2 citation statements)

References 31 publications

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“…Among many current-driven instabilities, the filamentation instability has attracted a great deal of attention due to its numerous applications in various fields (Young et al 1996;Che et al 2011;Shokri et al 2002;Niknam and Shokri 2008;Mohammadhosseini et al 2010;Huntington et al 2011;Allen et al 2012;Niknam et al 2012Niknam et al , 2013. This instability is a relevant instability for the perturbations which are perpendicular to the initial drift velocity direction and have been the subject of some studies in the context of dusty plasmas Khorashadizadeh et al 2011 have performed a theoretical study on the filamentation instability of a current-driven dusty plasma in dust ion-acoustic frequency range by using the Lorentz transformation formulas.…”

Section: Introductionmentioning

confidence: 99%

Effect of nonextensive velocity distribution on the filamentation instability in a current-driven dusty plasma

Niknam

Rastbood

Khorashadizadeh

et al. 2015

Astrophys Space Sci

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The evolution of filamentation instability in a current-driven dusty plasma with nonextensive distribution has been investigated in the dust acoustic frequency range. Using the dielectric permittivity functions of the nonextensive dusty plasma and the Lorentz transformation formulas, the generalized dispersion relation and growth rate of the filamentation instability are achieved. The results show that the possibility and development of the filamentation instability depend on the nonextensive parameters and drift velocity. It is found that by increasing the nonextensive parameter of electrons, the growth rate of instability declines slowly. Nevertheless, the development of filamentation instability is salient with the increase of nonextensive parameter and drift velocity of plasma ions. Moreover, the wavelength region in which the instability occurs is more stretched in the presence of higher values of ions nonextensive parameter and drift velocity. As compared to the electrons, the ions play a dominant role in the evolution of the filamentation instability.

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Section: Introductionmentioning

confidence: 99%

Effect of nonextensive velocity distribution on the filamentation instability in a current-driven dusty plasma

Niknam

Rastbood

Khorashadizadeh

et al. 2015

Astrophys Space Sci

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“…[33][34][35][36][37][38][39][40] On the other hand, a large number of numerical simulation studies have been done for IASWs by using PIC method to check the theoretical results. [41][42][43][44] For instance, Kakad et al [42] have studied the characteristics of the ion-acoustic solitons such as amplitude, width and speed by both fluid and PIC simulations. They found that PIC and fluid results are almost consistent with small amplitude initial density perturbations.…”

Section: Introductionmentioning

confidence: 99%

Particle-in-cell simulation of ion-acoustic solitary waves in a bounded plasma*

Lin¹,

Liu²,

Wang³

et al. 2021

Chinese Phys. B

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We study some nonlinear waves in a viscous plasma which is confined in a finite cylinder. By averaging the physical quantities on the radial direction in some cases, we reduce this system to a simple one-dimensional model. It seems that the effects of the bounded geometry (the radius of the cylinder in this case) can be included in the damping coefficient. We notice that the amplitudes of both Korteweg–de Vries (KdV) solitary waves and dark envelope solitary waves decrease exponentially as time increases from the particle-in-cell (PIC) simulation. The dependence of damping coefficient on the cylinder radius and the viscosity coefficient is also obtained numerically and analytically. Both are in good agreement. By using a definition, we give a condition whether a solitary wave exists in a bounded plasma. Moreover, some of potential applications in laboratory experiments are suggested.

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Filamentation Instability in a Current‐Carrying Plasma in the Presence of Quantum Effects

Khorashadizadeh

Taghadosi

Niknam

2015

Contrib. Plasma Phys.

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The filamentation instability of a current‐carrying plasma under the diffusion condition is investigated taking into account the Bohm potential and the Fermi electron pressure. Using quantum hydrodynamic equations, the dispersion relation and growth rate of the instability is obtained. It is found that the filamentation instability, in the presence of quantum effects, depends on various characteristic parameters such as: electron Fermi velocity, plasma number density, ion thermal velocity and electron drift velocity. Moreover, the wavelength region in which the instability occurs is more restricted and the minimum size of filaments is larger, in comparison with the classical case. It is also found that the growth rate of the instability is smaller in the presence of quantum effects. (© 2015 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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

Cited by 12 publications

References 31 publications

Effect of nonextensive velocity distribution on the filamentation instability in a current-driven dusty plasma

Effect of nonextensive velocity distribution on the filamentation instability in a current-driven dusty plasma

Particle-in-cell simulation of ion-acoustic solitary waves in a bounded plasma*

Filamentation Instability in a Current‐Carrying Plasma in the Presence of Quantum Effects

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