https://doi.org/10.1140/epjd/s10053-025-01116-5
Research - Plasmas
The impact of localized out-of-plane antisymmetric flows and Hall effect on the magnetic reconnection in a compressible plasma
College of Sciences, China Jiliang University, 310018, Hangzhou, China
a
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Received:
11
October
2025
Accepted:
29
December
2025
Published online:
20
January
2026
Based on a two-dimensional compressible magnetohydrodynamic (MHD) model, we systematically investigated the individual effects and combined influence of localized out-of-plane antisymmetric flows and the Hall effect on magnetic reconnection dynamics. The results reveal that both the localized out-of-plane antisymmetric flow and the Hall effect rapidly trigger magnetic reconnection, but the maximum achievable energy conversion rate is reduced, indicating that the nonlinear evolution of reconnection in later stages is suppressed. Additionally, the out-of-plane antisymmetric flow suppresses the magnetic island coalescence observed in purely resistive tearing modes. The introduction of the Hall effect can accelerate the merger of magnetic islands within the current sheet. When combined with the out-of-plane antisymmetric flow's influence, it is shown that the interplay between the Hall effect and the z-axis-aligned out-of-plane antisymmetric flow forms magnetic islands within elongated current sheets, thereby inducing additional plasma instabilities. These findings contribute significantly to the understanding of tearing mode instability development under the coupled influences of outflow dynamics and Hall physics in MHD systems.
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© The Author(s), under exclusive licence to EDP Sciences, SIF and Springer-Verlag GmbH Germany, part of Springer Nature 2026
Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.
