Laboratory evidence of magnetic reconnection hampered in obliquely interacting flux tubes

Simon Bolaños, Andrey Sladkov, Roch Smets, Sophia N. Chen, Alain Grisollet, Evgeny Filippov, Jose-Luis Henares, Viorel Nastasa, Sergey Pikuz, Raphël Riquier, Maria Safronova, Alexandre Severin, Mikhail Starodubtsev and Julien Fuchs ()
Additional contact information
Simon Bolaños: LULI - CNRS, CEA, UPMC Univ Paris 06 : Sorbonne Université, Ecole Polytechnique, Institut Polytechnique de Paris
Andrey Sladkov: Institute of Applied Physics
Roch Smets: LPP, Sorbonne Université, CNRS, Ecole Polytechnique
Sophia N. Chen: ELI-NP, Horia Hulubei National Institute of Physics and Nuclear Engineering
Alain Grisollet: CEA, DAM, DIF
Evgeny Filippov: Institute of Applied Physics
Jose-Luis Henares: Université de Bordeaux, CNRS-IN2P3, Route du Solarium
Viorel Nastasa: ELI-NP, Horia Hulubei National Institute of Physics and Nuclear Engineering
Sergey Pikuz: National Research Nuclear University MEPhI
Raphël Riquier: CEA, DAM, DIF
Maria Safronova: Institute of Applied Physics
Alexandre Severin: LULI - CNRS, CEA, UPMC Univ Paris 06 : Sorbonne Université, Ecole Polytechnique, Institut Polytechnique de Paris
Mikhail Starodubtsev: Institute of Applied Physics
Julien Fuchs: LULI - CNRS, CEA, UPMC Univ Paris 06 : Sorbonne Université, Ecole Polytechnique, Institut Polytechnique de Paris

Nature Communications, 2022, vol. 13, issue 1, 1-12

Abstract: Abstract Magnetic reconnection can occur when two plasmas, having anti-parallel components of the magnetic field, encounter each other. In the reconnection plane, the anti-parallel component of the field is annihilated and its energy released in the plasma. Here, we investigate through laboratory experiments the reconnection between two flux tubes that are not strictly anti-parallel. Compression of the anti-parallel component of the magnetic field is observed, as well as a decrease of the reconnection efficiency. Concomitantly, we observe delayed plasma heating and enhanced particle acceleration. Three-dimensional hybrid simulations support these observations and highlight the plasma heating inhibition and reconnection efficiency reduction for these obliquely oriented flux tubes.

Date: 2022
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DOI: 10.1038/s41467-022-33813-9

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