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Electromagnetic instability of thin reconnection layers: Comparison of three-dimensional simulations with MRX observations

Journal Article · · Physics of Plasmas
DOI:https://doi.org/10.1063/1.4811371· OSTI ID:1565007
 [1];  [2];  [3];  [2];  [2];  [1]
  1. SciberQuest, Inc., Del Mar, CA (United States)
  2. Princeton Plasma Physics Lab. (PPPL), Princeton, NJ (United States)
  3. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
In this study, the influence of current-aligned instabilities on magnetic reconnection in weakly collisional regimes is investigated using experimental observations from Magnetic Reconnection Experiment (MRX) [M. Yamada et al., Phys. Plasmas 4, 1936 (1997)] and large-scale fully kinetic simulations. In the simulations as well as in the experiment, the dominant instability is localized near the center of the reconnection layer, produces large perturbations of the magnetic field, and is characterized by the wavenumber that is a geometric mean between electron and ion gyroradii k~(ρeρi)-1/2. However, both the simulations and the experimental observations suggest the instability is not the dominant reconnection mechanism under parameters typical of MRX.
Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States). Oak Ridge Leadership Computing Facility (OLCF); Princeton Plasma Physics Laboratory (PPPL), Princeton, NJ (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Fusion Energy Sciences (FES) (SC-24)
Grant/Contract Number:
AC02-05CH11231; AC02-09CH11466; AC05-00OR22725
OSTI ID:
1565007
Alternate ID(s):
OSTI ID: 22228012
Journal Information:
Physics of Plasmas, Journal Name: Physics of Plasmas Journal Issue: 6 Vol. 20; ISSN 1070-664X
Publisher:
American Institute of Physics (AIP)Copyright Statement
Country of Publication:
United States
Language:
English

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Cited By (11)

Collisionless magnetic reconnection in space plasmas journal January 2013
Drift waves, intense parallel electric fields, and turbulence associated with asymmetric magnetic reconnection at the magnetopause: Waves and Turbulence in Reconnection journal April 2017
MMS observations of whistler waves in electron diffusion region: WHISTLERS IN ELECTRON DIFFUSION REGION journal May 2017
Electron heating and energy inventory during asymmetric reconnection in a laboratory plasma: ASYMMETRIC RECONNECTION IN LABORATORY journal September 2017
Interplay between Kelvin–Helmholtz and lower-hybrid drift instabilities journal November 2019
Electron‐Scale Magnetic Structure Observed Adjacent to an Electron Diffusion Region at the Dayside Magnetopause journal December 2019
Magnetic Reconnection in Three Dimensions: Observations of Electromagnetic Drift Waves in the Adjacent Current Sheet journal December 2019
Magnetic Reconnection in Three Dimensions: Modeling and Analysis of Electromagnetic Drift Waves in the Adjacent Current Sheet journal December 2019
Understanding the dynamics and energetics of magnetic reconnection in a laboratory plasma: Review of recent progress on selected fronts journal May 2016
Electromagnetic fluctuations during guide field reconnection in a laboratory plasma journal May 2018
Drift turbulence, particle transport, and anomalous dissipation at the reconnecting magnetopause journal June 2018

Figures / Tables (8)


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