Zonal flows and long-distance correlations during the formation of the edge shear layer in the TJ-II stellarator

Calvo, Iván; Carreras, Benjamín A.; García Gonzalo, Luis; Pedrosa, M. A.; Hidalgo, Carlos

Zonal flows and long-distance correlations during the formation of the edge shear layer in the TJ-II stellarator

Author(s): Calvo, Iván; Carreras, Benjamín A.; García Gonzalo, Luis; Pedrosa, M. A.; Hidalgo, Carlos

Publisher: IOP Publishing

Issued date: 2009-06

Citation: Plasma Physics and Controlled Fusion, 2009, vol. 51, n. 6, id 065007

ISSN: 0741-3335 (Print)
1361-6587 (Online)

DOI: 10.1088/0741-3335/51/6/065007

Sponsor: Part of this research was sponsored by the Dirección General de Investigación of Spain under project ENE2006-15244-C03-01. BAC acknowledges the financial support of Universidad Carlos III and Banco Santander through a Cátedra de Excelencia.

Review: PeerReviewed

Publisher version: http://dx.doi.org/10.1088/0741-3335/51/6/065007

Keywords: [PACS] Stellarators, torsatrons, heliacs, bumpy tori, and other toroidal confinement devices , [PACS] Plasma dynamics and flow , [PACS] Plasma-material interactions; boundary layer effects , [PACS] Transport properties , [PACS] Plasma turbulence , [PACS] Fluctuation and chaos phenomena

URI: http://hdl.handle.net/10016/7414

Rights: © IOP Publishing

Abstract:

A theoretical interpretation is given for the observed long-distance correlations in potential fluctuations in TJ-II. The value of the correlation increases above the critical point of the transition for the emergence of the plasma edge shear flow layer. Mean [+]

Description:

12 pages, 7 figures.-- PACS nrs.: 52.55.Hc, 52.30.-q, 52.40.Hf, 52.25.Fi, 52.35.Ra, 52.25.Gj.-- ArXiv pre-print available at: http://arxiv.org/abs/0904.2551

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