Hydrogen isotope effect on the Dimits shift

The hydrogen isotope effect on the Dimits shift in drift wave turbulence (Dimits et al 2000 Phys. Plasmas 7 969) is discussed using the theory of zonal flows, in which the nonlinear damping rate of zonal flows is taken into account. The up-shift of the critical linear growth rate of the drift waves,...

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Bibliographic Details
Published in:Nuclear fusion 2016-10, Vol.56 (10), p.106028
Main Authors: Itoh, S.-I., Itoh, K.
Format: Article
Language:English
Subjects:
Dimits shift
drift wave turbulence
hydrogen isotope effect
zonal flows
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Summary:The hydrogen isotope effect on the Dimits shift in drift wave turbulence (Dimits et al 2000 Phys. Plasmas 7 969) is discussed using the theory of zonal flows, in which the nonlinear damping rate of zonal flows is taken into account. The up-shift of the critical linear growth rate of the drift waves, above which drift wave fluctuations develop, is investigated. The dependence on the mass number of the hydrogen isotope is discussed.
ISSN:0029-5515
1741-4326
DOI:10.1088/0029-5515/56/10/106028