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Bidirectional jet formation during driven magnetic reconnection in two-beam laser-plasma interactions

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  • P. M. Nilson
  • L. Willingale
  • M. C. Kaluza
  • C. Kamperidis
  • S. Minardi
  • M. S. Wei
  • P. Fernandes
  • M. Notley
  • S. Bandyopadhyay
  • M. Sherlock
  • R. J. Kingham
  • M. Tatarakis
  • Z. Najmudin
  • W. Rozmus
  • R. G. Evans
  • M. G. Haines
  • A. E. Dangor
  • K. Krushelnick
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Article number092701
<mark>Journal publication date</mark>09/2008
<mark>Journal</mark>Physics of Plasmas
Issue number9
Volume15
Number of pages7
Publication statusPublished
Original languageEnglish

Abstract

Measurements of the bidirectional plasma jets that form at the surface of a solid target during a laser-generated driven magnetic reconnection are presented. Resistivity enhancement of at least 25 x the classical Spitzer value is required when applying the Sweet-Parker model of reconnection to reconcile the experimentally observed reconnection time scale. Analytic calculations show that a fast reconnection model, which includes a priori the effects of microturbulent resistivity enhancement, better reproduces the experimental observations. (c) 2008 American Institute of Physics.