Three-dimensional particle simulations of collisionless magnetic reconnection

Details Three-dimensional particle simulations of collisionless magnetic reconnection Three-dimensional particle simulations of collisionless magnetic reconnection

Sep 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002jgra..107.1230z&link_type=abstract

Journal of Geophysical Research (Space Physics), Volume 107, Issue A9, pp. SMP 6-1, CiteID 1230, DOI 10.1029/2001JA000287

Physics

Plasma Physics

48

Space Plasma Physics: Magnetic Reconnection, Space Plasma Physics: Numerical Simulation Studies, Magnetospheric Physics: Plasma Sheet, Magnetospheric Physics: Magnetopause, Cusp, And Boundary Layers

Scientific paper

Three-dimensional (3-D) particle simulations are performed in a double current layer configuration to investigate the stability of current sheets and boundary layers which develop during magnetic reconnection of antiparallel fields in collisionless plasma. The strong current layers that develop near the x line remain surprisingly laminar, with no evidence of turbulence and associated anomalous resistivity or viscosity. Neither the electron shear flow instabilities nor kink-like instabilities, which have been observed in these current layers in earlier simulations, are present. The sharp boundary layers which form between the inflow and outflow regions downstream of the x line are unstable to the lower hybrid drift instability. The associated fluctuations, however, do not strongly impact the rate of reconnection. As a consequence, magnetic reconnection in the 3-D system remains nearly two dimensional.

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