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Title: Magnetic field amplification in anisotropic counterstreaming pair plasmas

Abstract

The growth rates of the counterstream instability in magnetized electron-positron plasma is investigated by using a two-dimensional, electromagnetic, and relativistic particle-in-cell code. It is shown that strong electromagnetic ordinary-mode waves are excited, that propagate perpendicularly to the background magnetic field and with electric field parallel to that direction. For these waves, the linear growth rates are determined and compared to previous analytical results by Tautz and Schlickeiser [Phys. Plasmas 13, 062901 (2006)]. The simulations confirm the analytically derived growth rates very well. Furthermore, it is shown that for a strong background magnetic field, the linear instability is suppressed which, again, agrees with previous theoretical considerations.

Authors:
;  [1];  [2]
  1. Institut fuer Theoretische Physik, Lehrstuhl IV: Weltraum- und Astrophysik, Ruhr-Universitaet Bochum, D-44780 Bochum (Germany)
  2. (Japan)
Publication Date:
OSTI Identifier:
20960082
Resource Type:
Journal Article
Resource Relation:
Journal Name: Physics of Plasmas; Journal Volume: 14; Journal Issue: 1; Other Information: DOI: 10.1063/1.2430692; (c) 2007 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; AMPLIFICATION; ANISOTROPY; ELECTRIC FIELDS; ELECTRONS; MAGNETIC FIELDS; MAGNETOHYDRODYNAMICS; PLASMA INSTABILITY; PLASMA SIMULATION; PLASMA WAVES; POSITRONS; RELATIVISTIC PLASMA; RELATIVISTIC RANGE; TWO-DIMENSIONAL CALCULATIONS

Citation Formats

Tautz, R. C., Sakai, J.-I., and Laboratory for Plasma Astrophysics, Faculty of Engineering, Toyama University, 3190, Gofuku, Toyama 930-8555. Magnetic field amplification in anisotropic counterstreaming pair plasmas. United States: N. p., 2007. Web. doi:10.1063/1.2430692.
Tautz, R. C., Sakai, J.-I., & Laboratory for Plasma Astrophysics, Faculty of Engineering, Toyama University, 3190, Gofuku, Toyama 930-8555. Magnetic field amplification in anisotropic counterstreaming pair plasmas. United States. doi:10.1063/1.2430692.
Tautz, R. C., Sakai, J.-I., and Laboratory for Plasma Astrophysics, Faculty of Engineering, Toyama University, 3190, Gofuku, Toyama 930-8555. Mon . "Magnetic field amplification in anisotropic counterstreaming pair plasmas". United States. doi:10.1063/1.2430692.
@article{osti_20960082,
title = {Magnetic field amplification in anisotropic counterstreaming pair plasmas},
author = {Tautz, R. C. and Sakai, J.-I. and Laboratory for Plasma Astrophysics, Faculty of Engineering, Toyama University, 3190, Gofuku, Toyama 930-8555},
abstractNote = {The growth rates of the counterstream instability in magnetized electron-positron plasma is investigated by using a two-dimensional, electromagnetic, and relativistic particle-in-cell code. It is shown that strong electromagnetic ordinary-mode waves are excited, that propagate perpendicularly to the background magnetic field and with electric field parallel to that direction. For these waves, the linear growth rates are determined and compared to previous analytical results by Tautz and Schlickeiser [Phys. Plasmas 13, 062901 (2006)]. The simulations confirm the analytically derived growth rates very well. Furthermore, it is shown that for a strong background magnetic field, the linear instability is suppressed which, again, agrees with previous theoretical considerations.},
doi = {10.1063/1.2430692},
journal = {Physics of Plasmas},
number = 1,
volume = 14,
place = {United States},
year = {Mon Jan 15 00:00:00 EST 2007},
month = {Mon Jan 15 00:00:00 EST 2007}
}