Particle Transport Due to Magnetic Fluctuations

M. R. Stoneking, S. A. Hokin, Stewart C. Prager, G. Fiksel, Hantao Ji, D. J. Den Hartog

Research output: Contribution to journalArticlepeer-review

72 Scopus citations

Abstract

Electron current fluctuations are measured with an electrostatic energy analyzer at the edge of the MST reversed-field pinch plasma. The radial flux of fast electrons (E>Tea) due to parallel streaming along a fluctuating magnetic field is determined locally by measuring the correlated product JeBr. Particle transport is small just inside the last closed flux surface (Γe,mag<0.1Γe,total), but can account for all observed particle losses inside ra=0.85. Electron diffusion is found to increase with parallel velocity, as expected for diffusion in a region of field stochasticity.

Original languageEnglish (US)
Pages (from-to)549-552
Number of pages4
JournalPhysical review letters
Volume73
Issue number4
DOIs
StatePublished - 1994

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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