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Showing 1–7 of 7 results
Advanced filters: Author: P. Tzeferacos Clear advanced filters

  • Laboratory astrophysics experiments can provide useful insight into processes such as cosmic ray acceleration, yet the understanding of these phenomena is still incomplete. Here, the authors provide an experimental study of ion acceleration and diffusion at the GSI facilities, providing insight into wave-particle interactions and lower-hybrid drift instabilities.

    • J. T. Y. Chu
    • J. W. D. Halliday
    • G. Gregori
    ResearchOpen Access
    Nature Communications
    P: 1-8

  • Supersonic turbulence is relevant to astrophysical plasmas with their study mostly limited to numerical simulations. Here the authors demonstrate supersonic turbulence in collisional high Mach number plasma jets generated in laboratory by using high power lasers.

    • T. G. White
    • M. T. Oliver
    • G. Gregori
    ResearchOpen Access
    Nature Communications
    Volume: 10, P: 1-6

  • The origin of the large magnetic fields observed in the interior of the supernova remnant Cassiopeia A is still unclear. Laboratory experiments of laser-produced shocks provide new insights into the mechanisms of magnetic field amplification.

    • J. Meinecke
    • H. W. Doyle
    • G. Gregori
    Research
    Nature Physics
    Volume: 10, P: 520-524

  • Electrons can be accelerated by astrophysical shocks if they are sufficiently fast to start with. As laboratory laser-produced shock experiments reveal, this can be achieved by lower-hybrid waves generated by a shock-reflected ion instability.

    • A. Rigby
    • F. Cruz
    • G. Gregori
    Research
    Nature Physics
    Volume: 14, P: 475-479

  • The periodical change of the Crab nebula’s jet direction challenges our understanding of astrophysical jet dynamics. Here the authors use high-power lasers to create a jet that can be directly compared to the Crab nebula’s, and report the detection of plasma instabilities that mimic kink behaviour.

    • C. K. Li
    • P. Tzeferacos
    • N. C. Woolsey
    ResearchOpen Access
    Nature Communications
    Volume: 7, P: 1-8

  • Exploring astrophysical turbulent effects in laboratory plasma is challenging due to high threshold values of relevant parameters, such as the magnetic Reynolds number. Here the authors demonstrate the turbulent dynamo effect at large magnetic Reynolds numbers in laser-generated magnetized plasma.

    • P. Tzeferacos
    • A. Rigby
    • G. Gregori
    ResearchOpen Access
    Nature Communications
    Volume: 9, P: 1-8