Measurement of Internal Magnetic Field Fluctuations in a Reversed-Field Pinch by Faraday Rotation
Authors:
- 21 January 2003
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 90 (3) , 035002
Abstract
Magnetic field fluctuations (and the associated current perturbation) have been measured in the core of a high-temperature reversed-field pinch using a newly developed fast-polarimetry system. Radial magnetic field fluctuation levels of are measured in standard-reversed-field pinch discharges which increase to during the sawtooth crash (enhanced dynamo). The fluctuation level is reduced fourfold for high-confinement plasmas where the core-resonant tearing modes are suppressed.
Keywords
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