期刊
PHYSICS OF PLASMAS
卷 27, 期 12, 页码 -出版社
AIP Publishing
DOI: 10.1063/5.0029996
关键词
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资金
- U.S. Department of Energy, Office of Science, Office of Fusion Energy Sciences [DE-FG02-01ER54615, DE-FC02-04ER54698, DE-SC0018287]
- agency of the United States Government
- U.S. Department of Energy (DOE) [DE-FG02-01ER54615] Funding Source: U.S. Department of Energy (DOE)
Magnetic turbulence is directly observed internally in the pedestal of ELMy H-mode tokamak plasmas using a newly developed Faraday-effect polarimetry measurement. Fluctuation amplitude is delta b r >= 15 G (150-500kHz), with a ratio of magnetic to density fluctuation | delta b r / B | / | delta n / n | >= 0.15. Magnetic turbulence is identified as resulting from micro-tearing-instability and mode growth accompanied by degraded plasma confinement is observed.
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