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Effects of the electron spin on the nonlinear generation of quasi-static magnetic fields in a plasma

Published online by Cambridge University Press:  02 September 2010

M. STEFAN ,
G. BRODIN ,
F. HAAS  and
M. MARKLUND
M. STEFAN
Affiliation:
Department of Physics, Umeå University, SE–901 87 Umeå, Sweden (mattias.marklund@physics.umu.se)
G. BRODIN
Affiliation:
Department of Physics, Umeå University, SE–901 87 Umeå, Sweden (mattias.marklund@physics.umu.se)
F. HAAS
Affiliation:
Department of Physics, Umeå University, SE–901 87 Umeå, Sweden (mattias.marklund@physics.umu.se) Universidade do Vale do Rio dos Sinos, Av. Unisinos 950, 93022-000 São Leopoldo RS, Brazil
M. MARKLUND
Affiliation:
Department of Physics, Umeå University, SE–901 87 Umeå, Sweden (mattias.marklund@physics.umu.se)
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Abstract

Through an extended kinetic model, we study the nonlinear generation of quasi-static magnetic fields by high-frequency fields in a plasma, taking into account the effects of the electron spin. It is found that although the largest part of the nonlinear current in a moderate density, moderate temperature plasma is due to the classical terms, the spin may still give a significant contribution to the magnetic field generation mechanism. Applications of our results are discussed.

Type
Papers
Information
Journal of Plasma Physics , Volume 76 , Special Issue 6: Advances in Photon Physics , December 2010 , pp. 865 - 873
Copyright
Copyright © Cambridge University Press 2010

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