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Inverse Faraday effect in a relativistic laser channel

Published online by Cambridge University Press:  30 July 2001

I. KOSTYUKOV ,
G. SHVETS ,
N.J. FISCH  and
J.M. RAX
I. KOSTYUKOV
Affiliation:
Institute of Applied Physics, Russian Academy of Science, 46 Uljanov St. 603600 Nizhny, Novgorod, Russia
G. SHVETS
Affiliation:
Princeton Plasma Physics Laboratory, Princeton, New Jersey 08543, USA
N.J. FISCH
Affiliation:
Princeton Plasma Physics Laboratory, Princeton, New Jersey 08543, USA
J.M. RAX
Affiliation:
LPMI, Ecole Polytechnique, 212, Palaiseau Cedex 91128, France
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Abstract

Interaction between energetic electrons and a circularly polarized laser pulse in a relativistic plasma channel is studied. Laser radiation can be resonantly absorbed by electrons executing betatron oscillations in the channel and absorbing angular momentum from the laser. The absorbed angular momentum manifests itself as a strong axial magnetic field (inverse Faraday effect). The magnitude of this magnetic field is calculated and related to the amount of the absorbed energy.

Type
Research Article
Information
Laser and Particle Beams , Volume 19 , Issue 1 , January 2001 , pp. 133 - 136
Copyright
© 2001 Cambridge University Press

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