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It is shown that the Hall term in Ohm's law has an important effect on the dispersive properties (and hence on the dynamics) of magnetic reconnection processes in almost collisionless plasmas. The Hall term introduces a highly dispersive mode, the whistler. In contrast to resistive reconnection, no macroscopic current sheet is generated, and the reconnection rate is independent of the smallness parameters, i.e. the electron inertia length and the dissipation coefficients. Reconnection is much faster than in the absence of the whistler mode.

Additional information

Authors: BISKAMP D, Max-Planck-Institut für Plasmaphysik, Garching bei München (DE);DRAKE J F, Max-Planck-Institut für Plasmaphysik, Garching bei München (DE)
Bibliographic Reference: Report: IPP 6/328 EN (1995) 34 pp.
Availability: Available from Max-Planck-Institut für Plasmaphysik, 8046 Garching bei München (DE)
Record Number: 199510817 / Last updated on: 1995-07-17
Original language: en
Available languages: en