Plasma and Fusion Research
Online ISSN : 1880-6821
ISSN-L : 1880-6821
Rapid Communications
Evidence for Global Edge–Core Interplay in Fusion Plasmas
Guilhem DIF-PRADALIERElisabetta CASCHERAPhilippe GHENDRIHYuuichi ASAHIPeter DONNELXavier GARBETVirginie GRANDGIRARDGuillaume LATUClaudia NORSCINIYanick SARAZIN
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2017 Volume 12 Pages 1203012

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Abstract

Large-scale reactor-relevant fusion plasmas are likely to operate near marginal stability. In this regime, we show clear evidence of interplay between core and edge regions of the plasma. This result illustrates aspects of the controversial ‘shortfall problem' in the far-core, near-edge so-called ‘No Man's Land' region and a possible route to resolve this issue. More generally, it emphasises global-scale organisation of turbulence and relevance of edge dynamics to core confinement.

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© 2017 by The Japan Society of Plasma Science and Nuclear Fusion Research
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