Plasma-Wall Interaction and Locked Modes in the Toroidal Pinch Experiment TPE-RX Reversed-Field Pinch(Gases, Plasmas and Electric Discharges)

概要

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The MHD instabilities that sustain the reversed-field pinch (RFP) configuration tend to phase-lock together and also to wall-lock, forming a bulging of the plasma column, called "locked mode". This phenomenon is of particular interest, since the locked mode causes a larger plasma resistivity, plasma cooling, and, in some cases, anomalous discharge termination. Up to now, studies of the locked mode have been focused on m=1 modes (being m the poloidal mode number). In this Letter we show that m=0 modes also play a role, based on the cross-check between magnetic spectra and toroidally resolved D_α array measurements.
社団法人日本物理学会の論文
2006-02-15