Nonlocal Ohms Law, Plasma Resistivity, and Reconnection During Collisions of Magnetic Flux Ropes

The plasma resistivity was evaluated in an experiment on the collision of two magnetic flux ropes. Whenever the ropes collide, some magnetic energy is lost as a result of reconnection. Volumetric data, in which all the relevant time-varying quantities were recorded in detail, are presented. Ohm'...

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Veröffentlicht in:	The Astrophysical journal 2018-01, Vol.853 (1), p.33
Hauptverfasser:	Gekelman, W., DeHaas, T., Pribyl, P., Vincena, S., Compernolle, B. Van, Sydora, R., Tripathi, S. K. P.
Format:	Artikel
Sprache:	eng
Schlagworte:	70 PLASMA PHYSICS AND FUSION TECHNOLOGY ASTRONOMY AND ASTROPHYSICS Astrophysics Electrical resistivity magnetic fields Magnetic flux magnetic reconnection magnetohydrodynamics (MHD) Ohm's Law plasmas Sun: magnetic fields turbulence
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container_title	The Astrophysical journal
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creator	Gekelman, W. DeHaas, T. Pribyl, P. Vincena, S. Compernolle, B. Van Sydora, R. Tripathi, S. K. P.
description	The plasma resistivity was evaluated in an experiment on the collision of two magnetic flux ropes. Whenever the ropes collide, some magnetic energy is lost as a result of reconnection. Volumetric data, in which all the relevant time-varying quantities were recorded in detail, are presented. Ohm's law is shown to be nonlocal and cannot be used to evaluate the plasma resistivity. The resistivity was instead calculated using the AC Kubo resistivity and shown to be anomalously high in certain regions of space.
doi_str_mv	10.3847/1538-4357/aa9fec
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subjects	70 PLASMA PHYSICS AND FUSION TECHNOLOGY ASTRONOMY AND ASTROPHYSICS Astrophysics Electrical resistivity magnetic fields Magnetic flux magnetic reconnection magnetohydrodynamics (MHD) Ohm's Law plasmas Sun: magnetic fields turbulence
title	Nonlocal Ohms Law, Plasma Resistivity, and Reconnection During Collisions of Magnetic Flux Ropes
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