A Review of the 0.1 Reconnection Rate Problem

Abstract

A long-standing problem in magnetic reconnection is to explain why it tends to proceed at or below a normalized rate of 0.1. This article gives a review of observational and numerical evidence for this rate and discusses recent theoretical work addressing this problem. Some remaining open questions are summarized.

16 pages, 4 figures, the manuscript was prepared for the first Journal of Plasma Physics Frontiers in Plasma Physics Conference, accepted to Journal of Plasma Physics, August 2017

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• 3D Magnetic Reconnection with a spatially confined X-line extent -- Implications for Dipolarizing Flux Bundles and the Dawn-Dusk Asymmetry
• Generation of near-equipartition magnetic fields in turbulent collisionless plasmas
• Intermediate shock substructures within a slow-mode shock occurring in partially ionised plasma
• Simulation of plasmaspheric plume impact on dayside magnetic reconnection
• Detecting Reconnection Events in Kinetic Vlasov Hybrid Simulations Using Clustering Techniques
• Detection of current-sheet and bipolar ion flows in a self-generated antiparallel magnetic field of laser-produced plasmas for magnetic reconnection research
• Power and spatial complexity in stochastic reconnection