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First-principles theory of the rate of magnetic reconnection in magnetospheric and solar plasmas

Physics

First-principles theory of the rate of magnetic reconnection in magnetospheric and solar plasmas

Y. Liu, P. Cassak, et al.

Explore groundbreaking insights into the reconnection rate in non-relativistic collisionless plasmas! This research by Yi-Hsin Liu, Paul Cassak, Xiaocan Li, Michael Hesse, Shan-Chang Lin, and Kevin Genestreti reveals how Hall electromagnetic fields can enhance reconnection rates by causing pressure depletion. Don't miss these crucial findings for plasma studies across various fields.

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Playback language: English
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
Tags
reconnection rate
collisionless plasmas
Hall electromagnetic fields
pressure depletion
Sweet-Parker reconnection
fast reconnection
plasma studies

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