Towards a self-consistent theory of turbulent reconnection |
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| Institution: | 1. Cleveland Clinic Head and Neck Institute, 9500 Euclid Ave/A71, Cleveland, OH 44195, United States;2. Cleveland Clinic Digestive Disease Institute, 9500 Euclid Ave/A31, Cleveland, OH 44106, United States;1. Department of Natural Resource Ecology and Management, Oklahoma State University, Stillwater, OK 74078, United States of America;2. School of Natural Resources, University of Tennessee, Knoxville, TN 37996, United States of America;3. Human Dimensions Specialist, Oklahoma Department of Wildlife Conservation, Oklahoma City, OK 73105, United States of America |
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| Abstract: | Fast reconnection due to turbulent dissipation has long been hypothesized. This classic idea is critically examined in 3D reduced magnetohydrodynamic turbulence, by taking into account the backreaction of small-scale magnetic fields. We find that the backreaction leads to such a dramatic reduction in a global reconnection rate as to recover the original Sweet–Parker scaling. In 2D limit, the global reconnection rate is shown to be enhanced over the Sweet–Parker result by a factor of magnetic Mach number. These results are consequences of mean square magnetic potential balance. |
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