First-principles theory of the rate of magnetic reconnection in | ResearchBunny

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Abstract

This paper presents a first-principles theory for the reconnection rate in non-relativistic electron-ion collisionless plasmas, explaining why Sweet-Parker reconnection is slower. The key is the pressure at the reconnection site (x-line). Hall electromagnetic fields cause pressure depletion at the x-line, enabling fast reconnection. The results are relevant to heliospheric, planetary magnetosphere, fusion, and astrophysical plasma studies.

Publisher

Communications Physics

Published On

Apr 28, 2022

Authors

Yi-Hsin Liu, Paul Cassak, Xiaocan Li, Michael Hesse, Shan-Chang Lin, Kevin Genestreti

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