Propagation of magnetic islands in the Er=0 frame of co-injected neutral beam driven discharges in the DIII-D tokamak

R. J. La Haye; C. C. Petty; E. J. Strait; F. L. Waelbroeck; H. R. Wilson

doi:10.1063/1.1602452

Propagation of magnetic islands in the E_r=0 frame of co-injected neutral beam driven discharges in the DIII-D tokamak

R. J. La Haye, C. C. Petty, E. J. Strait, F. L. Waelbroeck, H. R. Wilson

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Abstract

A study was performed on the measurements made of the propagation frequency ω of tearing mode magnetic islands in the local E_r=0 frame in co-injected neutral beam heated H-mode discharges in the DIII-D tokamak. The propagation was found to be in the ion diamagnetic drift direction. It was consistent with the predicted stabilizing polarization current threshold for neoclassical tearing modes (NTM).

Original language	English
Pages (from-to)	3644-3648
Number of pages	5
Journal	Physics of Plasmas
Volume	10
Issue number	9
DOIs	https://doi.org/10.1063/1.1602452
State	Published - Sep 2003
Externally published	Yes

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abstract = "A study was performed on the measurements made of the propagation frequency ω of tearing mode magnetic islands in the local Er=0 frame in co-injected neutral beam heated H-mode discharges in the DIII-D tokamak. The propagation was found to be in the ion diamagnetic drift direction. It was consistent with the predicted stabilizing polarization current threshold for neoclassical tearing modes (NTM).",

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AU - Petty, C. C.

AU - Strait, E. J.

AU - Waelbroeck, F. L.

AU - Wilson, H. R.

PY - 2003/9

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AB - A study was performed on the measurements made of the propagation frequency ω of tearing mode magnetic islands in the local Er=0 frame in co-injected neutral beam heated H-mode discharges in the DIII-D tokamak. The propagation was found to be in the ion diamagnetic drift direction. It was consistent with the predicted stabilizing polarization current threshold for neoclassical tearing modes (NTM).

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Propagation of magnetic islands in the E_r=0 frame of co-injected neutral beam driven discharges in the DIII-D tokamak

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