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Laboratory disruption of scaled astrophysical outflows by a misaligned magnetic field

Author

Listed:
  • G. Revet

    (Institute of Applied Physics RAS
    LULI, CNRS, CEA, Sorbonne Université, École Polytechnique, Institut Polytechnique de Paris
    Université de Bordeaux-CNRS-CEA)

  • B. Khiar

    (Sorbonne Université, Observatoire de Paris, PSL Research University, LERMA
    University of Chicago)

  • E. Filippov

    (Institute of Applied Physics RAS
    Joint Institute for High Temperatures RAS)

  • C. Argiroffi

    (Universitá di Palermo
    INAF-Osservatorio Astronomico di Palermo)

  • J. Béard

    (LNCMI, UPR 3228, CNRS-UGA-UPS-INSA)

  • R. Bonito

    (INAF-Osservatorio Astronomico di Palermo)

  • M. Cerchez

    (Institut für Laser und Plasmaphysik, Heinrich Heine Universität Düsseldorf)

  • S. N. Chen

    (Institute of Applied Physics RAS
    ELI-NP, Horia Hulubei National Institute for Physics and Nuclear Engineering)

  • T. Gangolf

    (LULI, CNRS, CEA, Sorbonne Université, École Polytechnique, Institut Polytechnique de Paris
    Institut für Laser und Plasmaphysik, Heinrich Heine Universität Düsseldorf)

  • D. P. Higginson

    (LULI, CNRS, CEA, Sorbonne Université, École Polytechnique, Institut Polytechnique de Paris
    Lawrence Livermore National Laboratory)

  • A. Mignone

    (Universiá di Torino)

  • B. Olmi

    (INAF-Osservatorio Astronomico di Palermo
    INAF-Osservatorio Astrofisico di Arcetri)

  • M. Ouillé

    (LULI, CNRS, CEA, Sorbonne Université, École Polytechnique, Institut Polytechnique de Paris)

  • S. N. Ryazantsev

    (Joint Institute for High Temperatures RAS
    National Research Nuclear University ‘MEPhI’)

  • I. Yu. Skobelev

    (Joint Institute for High Temperatures RAS
    National Research Nuclear University ‘MEPhI’)

  • M. I. Safronova

    (Institute of Applied Physics RAS)

  • M. Starodubtsev

    (Institute of Applied Physics RAS)

  • T. Vinci

    (LULI, CNRS, CEA, Sorbonne Université, École Polytechnique, Institut Polytechnique de Paris)

  • O. Willi

    (Institut für Laser und Plasmaphysik, Heinrich Heine Universität Düsseldorf)

  • S. Pikuz

    (Joint Institute for High Temperatures RAS
    National Research Nuclear University ‘MEPhI’)

  • S. Orlando

    (INAF-Osservatorio Astronomico di Palermo)

  • A. Ciardi

    (Sorbonne Université, Observatoire de Paris, PSL Research University, LERMA)

  • J. Fuchs

    (Institute of Applied Physics RAS
    LULI, CNRS, CEA, Sorbonne Université, École Polytechnique, Institut Polytechnique de Paris)

Abstract

The shaping of astrophysical outflows into bright, dense, and collimated jets due to magnetic pressure is here investigated using laboratory experiments. Here we look at the impact on jet collimation of a misalignment between the outflow, as it stems from the source, and the magnetic field. For small misalignments, a magnetic nozzle forms and redirects the outflow in a collimated jet. For growing misalignments, this nozzle becomes increasingly asymmetric, disrupting jet formation. Our results thus suggest outflow/magnetic field misalignment to be a plausible key process regulating jet collimation in a variety of objects from our Sun’s outflows to extragalatic jets. Furthermore, they provide a possible interpretation for the observed structuring of astrophysical jets. Jet modulation could be interpreted as the signature of changes over time in the outflow/ambient field angle, and the change in the direction of the jet could be the signature of changes in the direction of the ambient field.

Suggested Citation

  • G. Revet & B. Khiar & E. Filippov & C. Argiroffi & J. Béard & R. Bonito & M. Cerchez & S. N. Chen & T. Gangolf & D. P. Higginson & A. Mignone & B. Olmi & M. Ouillé & S. N. Ryazantsev & I. Yu. Skobelev, 2021. "Laboratory disruption of scaled astrophysical outflows by a misaligned magnetic field," Nature Communications, Nature, vol. 12(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-20917-x
    DOI: 10.1038/s41467-021-20917-x
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