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Observations made using the Wind spacecraft of Hall magnetic fields in solar wind reconnection exhausts are presented. These observations are consistent with the generation of Hall fields by a narrow ion inertial scale current layer near the separatrix, which is confirmed with an appropriately scaled particle-in-cell simulation that shows excellent agreement with observations. The Hall fields are observed thousands of ion inertial lengths downstream from the reconnection X line, indicating that narrow regions of kinetic dynamics can persist extremely far downstream.

Source Citation

Mistry, R., Eastwood, J. P., Haggerty, C. C., Shay, M. A., Phan, T. D., Hietala, H., & Cassak, P. A. (2016). Observations Of Hall Reconnection Physics Far Downstream Of The X Line. Physical Review Letters, 117(18).



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