Magnetic reconnection driven by Gekko XII lasers with a Helmholtz capacitor-coil target

  • X. X. Pei
  • , J. Y. Zhong
  • , Y. Sakawa
  • , Z. Zhang
  • , K. Zhang
  • , H. G. Wei
  • , Y. T. Li
  • , Y. F. Li
  • , B. J. Zhu
  • , T. Sano
  • , Y. Hara
  • , S. Kondo
  • , S. Fujioka
  • , G. Y. Liang
  • , F. L. Wang
  • , G. Zhao

Research output: Contribution to journalArticlepeer-review

45 Scopus citations

Abstract

We demonstrate a novel plasma device for magnetic reconnection, driven by Gekko XII lasers irradiating a double-turn Helmholtz capacitor-coil target. Optical probing revealed an accumulated plasma plume near the magnetic reconnection outflow. The background electron density and magnetic field were measured to be approximately 1018cm-3 and 60 T by using Nomarski interferometry and the Faraday effect, respectively. In contrast with experiments on magnetic reconnection constructed by the Biermann battery effect, which produced high beta values, our beta value was much lower than one, which greatly extends the parameter regime of laser-driven magnetic reconnection and reveals its potential in astrophysical plasma applications.

Original languageEnglish
Article number032125
JournalPhysics of Plasmas
Volume23
Issue number3
DOIs
StatePublished - Mar 2016
Externally publishedYes

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