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The hall effect in magnetic reconnection: Hybrid versus Hall‐less hybrid simulations
Department of Physics and Astronomy, University of Delaware, Newark, Delaware, USA
Department of Physics and Astronomy, University of Delaware, Newark, Delaware, USA
Department of Physics and Astronomy, University of Delaware, Newark, Delaware, USA
Department of Physics, University of Maryland, College Park, Maryland, USA
To understand the role of the Hall effect during fast magnetic reconnection, hybrid simulations with and without the Hall term in the generalized Ohm's Law are compared, as done originally by Karimabadi et al. (2004). It is found that reconnection with the Hall term is fast, but reconnection in the so‐called Hall‐less hybrid simulations is Sweet‐Parker like (slow) when the resistivity is constant and uniform. These results re‐affirm the importance of the Hall term in allowing fast reconnection in the hybrid model.
Received 3 February 2009; accepted 20 February 2009; published 14 April 2009.
Citation: (2009), The hall effect in magnetic reconnection: Hybrid versus Hall‐less hybrid simulations, Geophys. Res. Lett., 36, L07107, doi:10.1029/2009GL037538.
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