Large quasistatic magnetic fields generated by a relativistically intense laser pulse propagating in a preionized plasma

Marco Borghesi, A.J. Mackinnon, R. Gaillard, O. Willi, A. Pukhov, J. Meyer-ter-Vehn

Research output: Contribution to journalArticlepeer-review

140 Citations (Scopus)

Abstract

Two spatially separated toroidal magnetic fields in the megagauss range have been detected with Faraday rotation during and after propagation of a relativistically intense laser pulse through preionized plasmas. Besides a field in the outer region of the plasma oriented as a conventional thermoelectric field, a field with the opposite orientation closely surrounding the propagation axis is observed, in conditions under which relativistic channeling occurs. A 3D particle-in-cell code was used to simulate the interaction under the conditions of the experiment.
Original languageEnglish
Pages (from-to)5137-5140
Number of pages4
JournalPhysical Review Letters
Volume80
Issue number23
Publication statusPublished - 1998

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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