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(a) Sketch of guide field reconnection viewed looking down onto the current sheet and (b) along the out‐of‐plane direction. The density cavity is shown in gray with electric fields in red and the current density in blue. (c) Sketch showing the role of the parallel electric field in modifying the distribution of electrons passing the midplane and the consequent change in density and temperature, described in detail in the text. MMS = Magnetospheric Multiscale.
