Observations of Hall Reconnection Physics Far Downstream of the X Line.

Phys Rev Lett

Department of Physics and Astronomy, West Virginia University, Morgantown, West Virginia 26506, USA.

Published: October 2016

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.

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http://dx.doi.org/10.1103/PhysRevLett.117.185102DOI Listing

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