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Particle-in-cell simulations of electron spin effects in plasmas

Published online by Cambridge University Press:  21 February 2013

GERT BRODIN ,
AMOL HOLKUNDKAR  and
MATTIAS MARKLUND
GERT BRODIN
Affiliation:
Department of Physics, Umeå University, SE-901 87 Umeå, Sweden (mattias.marklund@physics.umu.se)
AMOL HOLKUNDKAR
Affiliation:
Department of Physics, Umeå University, SE-901 87 Umeå, Sweden (mattias.marklund@physics.umu.se) Department of Physics, Birla Institute of Technology and Science, Pilani 333 031, Rajasthan, India
MATTIAS MARKLUND
Affiliation:
Department of Physics, Umeå University, SE-901 87 Umeå, Sweden (mattias.marklund@physics.umu.se) Department of Applied Physics, Chalmers University of Technology, SE-412 96 Göteborg, Sweden
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Abstract

We present a particle-in-cell code accounting for the magnetic dipole force and for the magnetization currents associated with the electron spin. The electrons are divided into spin-up and spin-down populations relative to the magnetic field, where the magnetic dipole force acts in opposite directions for the two species. To validate the code, we study wakefield generation by an electromagnetic pulse propagating parallel to an external magnetic field. The properties of the generated wakefield are shown to be in good agreement with previous theoretical results. Generalizations of the code to account for other quantum effects are discussed.

Type
Papers
Information
Journal of Plasma Physics , Volume 79 , Special Issue 4: Advanced Plasma Concepts , August 2013 , pp. 377 - 382
Copyright
Copyright © Cambridge University Press 2013 

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