Up-down symmetry of the turbulent transport of toroidal angular momentum in tokamaks

Felix I. Parra, Michael Barnes, Arthur G. Peeters

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67 Scopus citations

Abstract

Two symmetries of the local nonlinear δf gyrokinetic system of equations in tokamaks in the high flow regime are presented. The turbulent transport of toroidal angular momentum changes sign under an up-down reflection of the tokamak and a sign change of both the rotation and the rotation shear. Thus, the turbulent transport of toroidal angular momentum must vanish for up-down symmetric tokamaks in the absence of both rotation and rotation shear. This has important implications for the modeling of spontaneous rotation.

Original languageEnglish (US)
Article number062501
JournalPhysics of Plasmas
Volume18
Issue number6
DOIs
StatePublished - Jun 2011
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

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