Plasma and Fusion Research
Online ISSN : 1880-6821
ISSN-L : 1880-6821
Rapid Communications
Separated Double-Current Layers in a High-Guide-Field Reconnection Experiment
Kyohei KONDOMichiaki INOMOTOXuehan GUOTomohiko USHIKITakumichi SUGAWARATakumi MIHARAShuji KAMIOHiroshi TANABEYasushi ONO
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2017 Volume 12 Pages 1202033

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Abstract

Magnetic reconnection in the presence of a high-guide-field is utilized to heat the plasma in the merging start-up of a spherical tokamak configuration. The reconnection current layer between two spherical tokamaks was gradually compressed, and a quasi-steady current-sheet thickness was obtained. During the compression phase, the current layer split transiently into two separated layers, which provided a flattened magnetic-field-region near the X-point. This modification may affect the electron-energization mechanism in the merging start-up of a spherical tokamak in a high-guide-field.

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© 2017 by The Japan Society of Plasma Science and Nuclear Fusion Research
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