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Instability of current sheets and formation of plasmoid chains

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arxiv astro-ph/0703631 v2 pith:CMFLHRDY submitted 2007-03-24 astro-ph physics.plasm-phphysics.space-ph

classification astro-phphysics.plasm-phphysics.space-ph
keywords currentformedinstabilitynumberscalessheetsalfvenchain
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Current sheets formed in magnetic reconnection events are found to be unstable to high-wavenumber perturbations. The instability is very fast: its maximum growth rate scales as S^{1/4} v_A/L, where L is the length of the sheet, v_A the Alfven speed and S the Lundquist number. As a result, a chain of plasmoids (secondary islands) is formed, whose number scales as S^{3/8}.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Continuation of Force-Free Electrodynamics upon the loss of magnetic dominance

    astro-ph.HE 2026-06 conditional novelty 7.0 of 10

    A null-field continuation of force-free electrodynamics, with geodesic principal null directions, is introduced and shown to match 1D PIC simulations after loss of magnetic dominance in Alfvén wave collisions and type...

  2. Magnetic Prandtl number dependence of plasmoid-mediated reconnection

    physics.plasm-ph 2026-05 unverdicted novelty 5.0 of 10

    In the fully plasmoid-mediated regime the reconnection rate becomes nearly independent of the magnetic Prandtl number.

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