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Intrinsic Rotation Driven by Non-Maxwellian Equilibria in Tokamak Plasmas

Title
Intrinsic Rotation Driven by Non-Maxwellian Equilibria in Tokamak Plasmas
Author
이정표
Issue Date
2013-08
Publisher
AMERICAN PHYSICAL SOCIETY
Citation
Physical review letters, Aug 2013, 111(5), P.055005
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 hollow rotation profiles, consistent with experimental observations of intrinsic rotation.
URI
https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.111.055005https://repository.hanyang.ac.kr/handle/20.500.11754/73161
ISSN
0031-9007; 1079-7114
DOI
10.1103/PhysRevLett.111.055005
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > NUCLEAR ENGINEERING(원자력공학과) > Articles
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