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April 12, 2024Open Access

Plasma Dynamics and Nonthermal Particle Acceleration in 3D Nonrelativistic Magnetic Reconnection

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Authors

QZQile ZhangFGFan GuoWDW. Daughton

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Overview

Kinetic simulations demonstrate nonthermal particle acceleration in 3D reconnecting plasma, highlighting the primary role of flux-rope kink instabilities.

Key Points

  • Nonthermal particle acceleration forms power-law spectra for both electrons and protons during 3D magnetic reconnection, driven by field-line chaos across guide field regimes.
  • Protons are injected at reconnection exhausts via perpendicular electric fields during Fermi acceleration, whereas electrons rely on both parallel and perpendicular fields.
  • Kinetic simulations show that flux-rope kink instability governs low-field dynamics, supporting Fermi acceleration models and clarifying astrophysical particle energization.

Cite This Study

Zhang et al. (2024) studied this question.

synapsesocial.com/papers/68e6f71db6db643587671c9chttps://doi.org/10.48550/arxiv.2404.08807
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