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Comment on "Turbulent equipartition theory of toroidal momentum pinch" [Phys. Plasmas 15, 055902 (2008)]
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Peeters, A. G., Angioni, C. and Strintzi, D. (2009) Comment on "Turbulent equipartition theory of toroidal momentum pinch" [Phys. Plasmas 15, 055902 (2008)]. Physics of Plasmas, Vol.16 (No.3). Article no. 034703. ISSN 1070-664X
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Official URL: http://dx.doi.org/10.1063/1.3096712
Abstract
The comment addresses questions raised on the derivation of the momentum pinch velocity due to the Coriolis drift effect [A. G. Peeters , Phys. Rev. Lett. 98, 265003 (2007)]. These concern the definition of the gradient, and the scaling with the density gradient length. It will be shown that the turbulent equipartition mechanism is included within the derivation using the Coriolis drift, with the density gradient scaling being the consequence of drift terms not considered in [T. S. Hahm , Phys. Plasmas 15, 055902 (2008)]. Finally the accuracy of the analytic models is assessed through a comparison with the full gyrokinetic solution.
| Item Type: | Journal Item |
|---|---|
| Subjects: | Q Science > QC Physics |
| Divisions: | Faculty of Science > Physics |
| Journal or Publication Title: | Physics of Plasmas |
| Publisher: | American Institute of Physics |
| ISSN: | 1070-664X |
| Date: | March 2009 |
| Volume: | Vol.16 |
| Number: | No.3 |
| Number of Pages: | 4 |
| Page Range: | Article no. 034703 |
| Identification Number: | 10.1063/1.3096712 |
| Status: | Peer Reviewed |
| Publication Status: | Published |
| Access rights to Published version: | Restricted or Subscription Access |
| URI: | http://wrap.warwick.ac.uk/id/eprint/28188 |
Data sourced from Thomson Reuters' Web of Knowledge
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