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Sawtooth control mechanism using counter current propagating ICRH in JET
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2008 (English)In: EPS Conf. Plasma Phys., EPS - Europhys. Conf. Abstr., 2008, no 3, 2010-2013 p.Conference paper (Refereed)
Abstract [en]

The sawtooth control mechanism in plasmas employing off-axis ICCD is reinvestigated. In particular, for counter propagating waves on the high field side, asymmetrically distributed energetic passing ions destabilise the ideal internal kink mode when the q=1 surface resides within a narrow region centred about the shifted fundamental cyclotron resonance.

Place, publisher, year, edition, pages
2008. no 3, 2010-2013 p.
, 35th EPS Conference on Plasma Physics 2008, EPS 2008 - Europhysics Conference Abstracts, 32
Keyword [en]
Counter current, Counter propagating waves, High field sides, Internal kink mode, Off-axis, Q=1 surface, Sawtooth control, Plasmas, Cyclotron resonance
National Category
Fusion, Plasma and Space Physics
URN: urn:nbn:se:kth:diva-153330ScopusID: 2-s2.0-84873046595ISBN: 9781622763351OAI: diva2:756125
35th European Physical Society Conference on Plasma Physics, EPS 2008 Combined with the 10th International Workshop on Fast Ignition of Fusion Targets, 9-13 June 2008, Hersonissos, Crete, Greece

QC 20141016

Available from: 2014-10-16 Created: 2014-10-03 Last updated: 2014-10-16Bibliographically approved

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Johnson, Thomas Joe
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