Physics
Scientific paper
Dec 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006agufmsm34b..04s&link_type=abstract
American Geophysical Union, Fall Meeting 2006, abstract #SM34B-04
Physics
2753 Numerical Modeling, 7835 Magnetic Reconnection (2723, 7526)
Scientific paper
Magnetic reconnection is a fundamental magnetic energy release process in plasmas. Including Hall physics in reconnection models has been shown to play a critical role in allowing fast Alfvénic reconnection even for very large system sizes, which is consistent with observed energy release times. The scaling of the reconnection rate to large systems has not been extensively studied for fully kinetic simulations, however, and the introduction of kinetic electron dynamics may change the structure of the electron dissipation region, modifying the reconnection rate. We present results of large scale kinetic PIC scaling studies of anti-parallel reconnection, focussing on the following issues. One, what controls the scale size of the electron and ion dissipation regions? Two, how does the reconnection rate change with scale size? Three, do periodic outflow boundary conditions play an important role in determining the reconnection rate?
Drake James F.
Shay Michael A.
Swisdak Michael
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