Nonambipolar magnetic-fluctuation-induced particle transport and plasma flow in the MST reversed-field pinch

W. X. Ding, D. L. Brower, D. Craig, B. H. Deng, S. C. Prager, J. S. Sarff, V. Svidzinski

Research output: Contribution to journalArticle

16 Scopus citations

Abstract

First direct measurements of nonambipolar magnetic fluctuation-induced charge transport in the interior of a high-temperature plasma are reported. Global resistive tearing modes drive the charge transport which is measured in the vicinity of the resonant surface for the dominant core resonant mode. Finite charge transport has two important consequences. First, it generates a potential well along with locally strong electric field and electric field shear at the resonant surface. Second, this electric field induces a spontaneous E×B driven zonal flow.

Original languageEnglish (US)
Article number055004
JournalPhysical review letters
Volume99
Issue number5
DOIs
StatePublished - Aug 3 2007
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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