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Spatial and Temporal Structure of Edge-Localized Modes

Kirk, A., Wilson, H.R., Counsell, G.F., Akers, R., Arends, E., Cowley, S.C., Dowling, J., Lloyd, B., Price, M. and Walsh, M. (2004) Spatial and Temporal Structure of Edge-Localized Modes. Physical Review Letters, 92 (24). pp. 245002-1. ISSN 1079-7114

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This Letter provides information on the spatial and temporal structure of periodic eruptions observed in magnetically confined laboratory fusion plasmas, called edge-localized modes (ELMs), and highlights similarities with solar eruptions. Taken together, the observations presented in this Letter provide strong evidence for ELMs being associated with a filamentlike structure. These filaments are extended along a field line, are generated on a 100   μs time scale, erupt from the outboard side, and connect back into the plasma. Such structures are predicted by a theoretical model based on the “ballooning” instability, developed for both solar and tokamak applications.

Item Type: Article
Institution: The University of York
Academic Units: The University of York > Physics (York)
Depositing User: York RAE Import
Date Deposited: 25 Feb 2009 11:50
Last Modified: 25 Feb 2009 11:50
Published Version: http://dx.doi.org/10.1103/PhysRevLett.92.245002
Status: Published
Publisher: The American Physical Society.
Identification Number: 10.1103/PhysRevLett.92.245002
URI: http://eprints.whiterose.ac.uk/id/eprint/7229

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