1999•プラズマ・核融合学会誌Open access
Experimental Investigation of Driven Magnetic Reconnection in TS-3 Device.
Michiaki Inomoto, Yasushi Ono
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Abstract
Mechanisms for fast/driven magnetic reconnection have been investigated by measuring 2.5-dimensional current sheet structures of laboratory merging plasmas. The reconnection speed is observed to increase with decreasing magnetic field component parallel to the “X-point” line and with increasing external force to compress the current sheet. The measured resistivity of the current sheet is found to increase significantly right after the current sheet is compressed shorter than its ion Larmor radius. The anomalous resistivity of the current sheet caused by the finite Larmor radius effect is concluded essential to the fast/driven-type reconnection whose speed depends strongly on the X-line field and the external force.
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