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Symmetry breaking in MAST plasma turbulence due to toroidal flow shear

Abstract:

The flow shear associated with the differential toroidal rotation of tokamak plasmas breaks an underlying symmetry of the turbulent fluctuations imposed by the up-down symmetry of the magnetic equilibrium. Using experimental Beam-Emission-Spectroscopy (BES) measurements and gyrokinetic simulations, this symmetry breaking in ion-scale turbulence in MAST is shown to manifest itself as a tilt of the spatial correlation function and a finite skew in the distribution of the fluctuating density fie...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Accepted manuscript

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Publisher copy:
10.1088/1361-6587/aa544b

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Department:
Oxford, MPLS, Physics, Theoretical Physics
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Department:
Oxford, MPLS, Physics, Theoretical Physics
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Department:
Oxford, MPLS, Physics, Theoretical Physics
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Department:
Oxford, MPLS, Physics
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Publisher:
Institute of Physics Publisher's website
Journal:
Plasma Physics and Controlled Fusion Journal website
Volume:
59
Pages:
034002
Publication date:
2016-12-05
Acceptance date:
2016-12-16
DOI:
Pubs id:
pubs:648437
URN:
uri:8f6a65b6-7b84-4292-bafc-c0fba701fb84
UUID:
uuid:8f6a65b6-7b84-4292-bafc-c0fba701fb84
Local pid:
pubs:648437

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