Bulletin of the American Physical Society
64th Annual Meeting of the APS Division of Plasma Physics
Volume 67, Number 15
Monday–Friday, October 17–21, 2022; Spokane, Washington
Session UP11: Poster Session VIII: In-Person, Hall A (2:00-3:30pm) and Virtual Poster Presentations (3:45-5:00pm)
MFE: Whole Device Modeling, High Field Tokamaks, Tokamak Physics, DIII-D
FUND:Reconnection, Turbulence
2:00 PM - 5:00 PM
Thursday, October 20, 2022
Room: Exhibit Hall A and Online
Abstract: UP11.00119 : Generation of a strong parallel electric field and embedded electron jet in the exhaust of moderate guide field reconnection*
Presenter:
Blake A Wetherton
(Los Alamos National Laboratory)
Authors:
Blake A Wetherton
(Los Alamos National Laboratory)
Jan Egedal
(University of Wisconsin - Madison)
Ari Le
(Los Alamos National Laboratory)
William S Daughton
(Los Alamos Natl Lab)
layer is embedded in the reconnection exhaust and is consistent with an extended magnetized jet
expected in roughly symmetric moderate guide field reconnection. The strong parallel electric field
observed at the jet balances a strong gradient in the parallel electron pressure caused by a transition
between magnetized electrons with Te|| > Te⊥ on one side of the jet and demagnetized,
roughly isotropic electrons across the thin current layer. Simulation results show how this transition can
occur and how the associated electron pressure gradients in Ohm's law balance the parallel electric
field.
*The authors acknowledge support by the Department of Energy's Computational Science Graduate Fellowship (DOE CSGF) under Grant No.~DE-FG02-97ER25308, LANL LDRD project 20200334ER, and the DOE Office of Science Fusion Energy Sciences. Simulations used LANL Institutional Computing resources.
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