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Magnetic reconnection and plasma dynamics in two-beam laser-solid 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 number255001
<mark>Journal publication date</mark>22/12/2006
<mark>Journal</mark>Physical review letters
Issue number25
Volume97
Number of pages4
Publication statusPublished
Original languageEnglish

Abstract

We present measurements of a magnetic reconnection in a plasma created by two laser beams (1 ns pulse duration, 1x10(15) W cm(-2)) focused in close proximity on a planar solid target. Simultaneous optical probing and proton grid deflectometry reveal two high velocity, collimated outflowing jets and 0.7-1.3 MG magnetic fields at the focal spot edges. Thomson scattering measurements from the reconnection layer are consistent with high electron temperatures in this region.