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Magnetization of electron–positron plasmas by Laguerre–Gaussian light beams

Published online by Cambridge University Press:  01 September 2010

P. K. SHUKLA  and
B. ELIASSON
P. K. SHUKLA
Affiliation:
RUB International Chair, International Centre for Advanced Studies in Physical Sciences, Ruhr-University Bochum, D-44780 Bochum, Germany ([email protected], [email protected])
B. ELIASSON
Affiliation:
RUB International Chair, International Centre for Advanced Studies in Physical Sciences, Ruhr-University Bochum, D-44780 Bochum, Germany ([email protected], [email protected])
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Abstract

It is shown that the relativistic ponderomotive force of intense circularly polarized Laguerre–Gaussian electromagnetic beams can create the space charge electric field, which sets differential motions of the electrons and positrons in an electron–positron plasma. The resulting plasma current, in turn, creates quasi-stationary magnetic fields due to Faraday's law.

Type
Papers
Information
Journal of Plasma Physics , Volume 76 , Special Issue 6: Advances in Photon Physics , December 2010 , pp. 887 - 892
Copyright
Copyright © Cambridge University Press 2010

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