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Disentanglement of density and rotation dependences of the field penetration threshold on the J-TEXT tokamak.
- Source :
- Nuclear Fusion; Jun2020, Vol. 60 Issue 6, p1-7, 7p
- Publication Year :
- 2020
-
Abstract
- The field penetration threshold of magnetic perturbations has been observed to vary non-monotonically with an increase of density in ohmic plasmas on the J-TEXT tokamak. This observation appears contradicting the previous empirical density scaling law. Disentanglement of plasma density and rotation dependences of the field penetration threshold has been carried out. It shows that the field penetration threshold depends only weakly on the density but linearly on the plasma rotation. This result is not only important for the prediction of error field tolerance in fusion devices, but also opens a question on the role of density in the forced magnetic reconnection process in magnetized plasmas. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 00295515
- Volume :
- 60
- Issue :
- 6
- Database :
- Complementary Index
- Journal :
- Nuclear Fusion
- Publication Type :
- Academic Journal
- Accession number :
- 143762051
- Full Text :
- https://doi.org/10.1088/1741-4326/ab8859