Abstract
Using a two-dimensional two-fluid numerical model with finite electron inertia, we have observed turbulence to occur in simulations of plasmas undergoing magnetic reconnection when the plasma β is sufficiently small. This turbulence is caused by secondary instabilities, which are excited by large gradients in the out-of-plane current. These gradients spontaneously form due to the dynamics of ion force balance across the layer, and first arise in the outflow regions downstream from the magnetic x point. This turbulence is not observed to have a substantial effect on the rate of reconnection.
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