Collisionless reconnection in the magnetotail |
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Authors: | PL Pritchett |
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Institution: | Department of Physics and Astronomy, University of California, Los Angeles, CA 90095-1547, U.S.A. |
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Abstract: | Recent developments regarding collisionless reconnection in current sheets with a finite normal magnetic field component (Bz) are reviewed. In 2-D x, z configurations the ion tearing mode is stabilized by the electron compressibility. When the y dependence is included, cross-field current instabilities can be excited. Of these, the drift kink mode appears to be particularly important. 3-D electromagnetic particle simulations indicate that this mode can act as the precursor to the growth of tearing modes and subsequent reconnection. |
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