Potential distributions around test charge particles in a dusty plasma

S. Ali, B. Eliasson

Research output: Contribution to conferenceAbstract

Abstract

A three-component complex (dusty) plasma, which is composed of electrons, singly ionized positive ions, and highly charged dust particulates, is considered. For the purpose to compute the electrostatic potential distribution around a test charge, the Vlasov-Poisson set of equations is solved to obtain a generalized plasma response function. Several possibilities for dressed charge potential are considered by imposing different conditions on the test charge velocity in comparison with thermal speeds of plasma species. A Debye potential is shown for a static or slowly moving test charge and the resonant interaction of test charge with dust acoustic wave gives rise to the formation of wakefield. The work is further extended to examine the correlation and dust-charge fluctuation effects on the electrostatic potential due to multiple test charge projectiles moving with a constant velocity along the z-axis. The present results are important for the low-temperature laboratory and astrophysical plasmas.
LanguageEnglish
PagesO5.311
Number of pages1
Publication statusPublished - 26 Jun 2015
Event42nd EPS Conference on Plasma Physics - Centro Cultural de Belém, Lisbon, Portugal
Duration: 22 Jun 201526 Jun 2015

Conference

Conference42nd EPS Conference on Plasma Physics
CountryPortugal
CityLisbon
Period22/06/1526/06/15

Fingerprint

dusty plasmas
dust
electrostatics
positive ions
particulates
projectiles
astrophysics
acoustics
electrons
interactions

Keywords

  • potential distributions
  • dusty plasma
  • charge particles
  • electrostatic potential

Cite this

Ali, S., & Eliasson, B. (2015). Potential distributions around test charge particles in a dusty plasma. O5.311. Abstract from 42nd EPS Conference on Plasma Physics, Lisbon, Portugal.
Ali, S. ; Eliasson, B. / Potential distributions around test charge particles in a dusty plasma. Abstract from 42nd EPS Conference on Plasma Physics, Lisbon, Portugal.1 p.
@conference{19640b9293a1422aad77f07bd3dbf6e0,
title = "Potential distributions around test charge particles in a dusty plasma",
abstract = "A three-component complex (dusty) plasma, which is composed of electrons, singly ionized positive ions, and highly charged dust particulates, is considered. For the purpose to compute the electrostatic potential distribution around a test charge, the Vlasov-Poisson set of equations is solved to obtain a generalized plasma response function. Several possibilities for dressed charge potential are considered by imposing different conditions on the test charge velocity in comparison with thermal speeds of plasma species. A Debye potential is shown for a static or slowly moving test charge and the resonant interaction of test charge with dust acoustic wave gives rise to the formation of wakefield. The work is further extended to examine the correlation and dust-charge fluctuation effects on the electrostatic potential due to multiple test charge projectiles moving with a constant velocity along the z-axis. The present results are important for the low-temperature laboratory and astrophysical plasmas.",
keywords = "potential distributions, dusty plasma, charge particles, electrostatic potential",
author = "S. Ali and B. Eliasson",
year = "2015",
month = "6",
day = "26",
language = "English",
pages = "O5.311",
note = "42nd EPS Conference on Plasma Physics ; Conference date: 22-06-2015 Through 26-06-2015",

}

Ali, S & Eliasson, B 2015, 'Potential distributions around test charge particles in a dusty plasma' 42nd EPS Conference on Plasma Physics, Lisbon, Portugal, 22/06/15 - 26/06/15, pp. O5.311.

Potential distributions around test charge particles in a dusty plasma. / Ali, S.; Eliasson, B.

2015. O5.311 Abstract from 42nd EPS Conference on Plasma Physics, Lisbon, Portugal.

Research output: Contribution to conferenceAbstract

TY - CONF

T1 - Potential distributions around test charge particles in a dusty plasma

AU - Ali, S.

AU - Eliasson, B.

PY - 2015/6/26

Y1 - 2015/6/26

N2 - A three-component complex (dusty) plasma, which is composed of electrons, singly ionized positive ions, and highly charged dust particulates, is considered. For the purpose to compute the electrostatic potential distribution around a test charge, the Vlasov-Poisson set of equations is solved to obtain a generalized plasma response function. Several possibilities for dressed charge potential are considered by imposing different conditions on the test charge velocity in comparison with thermal speeds of plasma species. A Debye potential is shown for a static or slowly moving test charge and the resonant interaction of test charge with dust acoustic wave gives rise to the formation of wakefield. The work is further extended to examine the correlation and dust-charge fluctuation effects on the electrostatic potential due to multiple test charge projectiles moving with a constant velocity along the z-axis. The present results are important for the low-temperature laboratory and astrophysical plasmas.

AB - A three-component complex (dusty) plasma, which is composed of electrons, singly ionized positive ions, and highly charged dust particulates, is considered. For the purpose to compute the electrostatic potential distribution around a test charge, the Vlasov-Poisson set of equations is solved to obtain a generalized plasma response function. Several possibilities for dressed charge potential are considered by imposing different conditions on the test charge velocity in comparison with thermal speeds of plasma species. A Debye potential is shown for a static or slowly moving test charge and the resonant interaction of test charge with dust acoustic wave gives rise to the formation of wakefield. The work is further extended to examine the correlation and dust-charge fluctuation effects on the electrostatic potential due to multiple test charge projectiles moving with a constant velocity along the z-axis. The present results are important for the low-temperature laboratory and astrophysical plasmas.

KW - potential distributions

KW - dusty plasma

KW - charge particles

KW - electrostatic potential

UR - http://ocs.ciemat.es/EPS2015ABS/pdf/O5.311.pdf

UR - http://www.ipfn.ist.utl.pt/EPS2015/

M3 - Abstract

SP - O5.311

ER -

Ali S, Eliasson B. Potential distributions around test charge particles in a dusty plasma. 2015. Abstract from 42nd EPS Conference on Plasma Physics, Lisbon, Portugal.