RF current condensation in the presence of turbulent enhanced transport

E. Rodríguez, A. H. Reiman, N. J. Fisch

Research output: Contribution to journalArticle

1 Scopus citations

Abstract

Sharp temperature gradients in a magnetically confined plasma can lead to turbulent motion of the plasma. This turbulence in turn enhances the transport of heat across magnetic field lines. The enhanced transport impacts the temperature differential that can be sustained in magnetic islands between the island center and its periphery. It is shown here that, by limiting this temperature differential, this enhanced transport can have a profound influence on the extent to which the RF current condensation effect stabilizes the island growth. Interestingly, because the heat transport is no longer simply linear in the temperature gradient, the RF current condensation effect also exhibits entirely new hysteresis phenomena.

Original languageEnglish (US)
Article number042306
JournalPhysics of Plasmas
Volume27
Issue number4
DOIs
StatePublished - Apr 1 2020

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

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