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research article

Time-resolved measurements of suprathermal ion transport induced by intermittent plasma blob-filaments

Bovet, Alexandre
•
Fasoli, Ambrogio
•
Furno, Ivo
2014
Physical Review Letters

Suprathermal ion turbulent transport in magnetized plasmas is generally non-diffusive, ranging from subdiffusive to superdiffusive depending on the interplay of the turbulent structures and the suprathermal ion orbits. Here, we present time-resolved measurements of the cross-field suprathermal ion transport in a toroidal magnetized turbulent plasma. Measurements in the superdiffusive regime are characterized by a higher intermittency than in the subdiffusive regime. Using conditional-averaging, we show that, when the transport is superdiffusive, suprathermal ions are transported by intermittent field-elongated turbulent structures that are radially propagating.

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Type
research article
DOI
10.1103/PhysRevLett.113.225001
Web of Science ID

WOS:000350657700010

Author(s)
Bovet, Alexandre
Fasoli, Ambrogio
Furno, Ivo
Date Issued

2014

Publisher

American Physical Society

Published in
Physical Review Letters
Volume

113

Issue

22

Article Number

225001

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

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CRPP  
SPC  
Available on Infoscience
October 29, 2014
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/108085
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