Ion and electron local transport inside single helicity islands in the reversed field pinch

M. Gobbin, L. Marrelli, P. Martin, R.B. White

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Abstract

The ion and electron diffusion coefficients inside the helical magnetic core in a single helicity reversed field pinch (RFP) toroidal plasma have been numerical determined by a Monte Carlo test particle approach. A new algorithm aimed at approximating with polyhedra the magnetic surfaces obtained with Poincaŕ cross sections has been developed. Stationary simulations of test ion and electron transport have been performed: they allow the determination of the average diffusion coefficients inside the helical core both for ions and electrons, which are much lower than those found in standard multiple helicity plasmas. Results are discussed and compared with those found in previous RFP simulations. The technique may be relevant also for stellarator and tokamak studies. © 2007 American Institute of Physics.
Original languageEnglish
Article number072305
Pages (from-to)-
JournalPhysics of Plasmas
Volume14
Issue number7
DOIs
Publication statusPublished - 2007
Externally publishedYes

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All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

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