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

Abstract:
Two symmetries of the local nonlinear delta-f 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.
Publication status:
Published

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Publisher copy:
10.1063/1.3586332

Authors


Journal:
Phys. Plasmas
Volume:
18
Issue:
6
Pages:
062501
Publication date:
2011-02-17
DOI:
ISSN:
1070-664X
URN:
uuid:5b4a55ca-fded-409a-ab39-2613d10a8730
Source identifiers:
196001
Local pid:
pubs:196001
Language:
English
Keywords:

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