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Intrinsic rotation driven by non-Maxwellian equilibria in Tokamak plasmas.

Abstract:

The effect of small deviations from a Maxwellian equilibrium on turbulent momentum transport in tokamak plasmas is considered. These non-Maxwellian features, arising from diamagnetic effects, introduce a strong dependence of the radial flux of cocurrent toroidal angular momentum on collisionality: As the plasma goes from nearly collisionless to weakly collisional, the flux reverses direction from radially inward to outward. This indicates a collisionality-dependent transition from peaked to h...

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Publication status:
Published

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Journal:
Physical review letters
Volume:
111
Issue:
5
Pages:
055005
Publication date:
2013-08-05
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
URN:
uuid:b7b4718f-f51b-4b20-b8fd-02fee66e17e2
Source identifiers:
396014
Local pid:
pubs:396014
Language:
English
Keywords:

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