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A current driven electromagnetic mode in sheared and toroidal configurations

Abstract:

The induced electric field in a tokamak drives a parallel electron current flow. In an inhomogeneous, finite beta plasma, when this electron flow is comparable to the ion thermal speed, the Alfven mode wave solutions of the electromagnetic gyrokinetic equation can become nearly purely growing kink modes. Using the new "low-flow" version of the gyrokinetic code GS2 developed for momentum transport studies [Barnes et al 2013 Phys. Rev. Lett. 111, 055005], we are able to model the effect of the ...

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Publication status:
Published

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Journal:
PLASMA PHYSICS AND CONTROLLED FUSION More from this journal
Volume:
56
Issue:
3
Pages:
035011-035011
Publication date:
2013-09-04
DOI:
EISSN:
1361-6587
ISSN:
0741-3335
Language:
English
Keywords:
Pubs id:
pubs:429139
UUID:
uuid:ce5f408f-bd5f-4177-8530-c680bcb6e083
Local pid:
pubs:429139
Source identifiers:
429139
Deposit date:
2015-02-24

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