Complete multi-field characterization of the geodesic acoustic mode in the TCV tokamak

C. A. De Meijere; S. Coda; Z. Huang; L. Vermare; T. Vernay; V. Vuille; S. Brunner; J. Dominski; P. Hennequin; A. Krämer-Flecken; G. Merlo; L. Porte; L. Villard

doi:10.1088/0741-3335/56/7/072001

Complete multi-field characterization of the geodesic acoustic mode in the TCV tokamak

C. A. De Meijere, S. Coda, Z. Huang, L. Vermare, T. Vernay, V. Vuille, S. Brunner, J. Dominski, P. Hennequin, A. Krämer-Flecken, G. Merlo, L. Porte, L. Villard

Research output: Contribution to journal › Article › peer-review

76 Scopus citations

Abstract

The geodesic acoustic mode (GAM) is a coherently oscillating zonal flow that may regulate turbulence in toroidal plasmas. Uniquely, the complete poloidal and toroidal structure of the magnetic component of the turbulence-driven GAM has been mapped in the TCV tokamak. Radially localized measurements of the fluctuating density, ECE radiative temperature and poloidal flow show that the GAM is a fully coherent, radially propagating wave. These observations are consistent with electrostatic, gyrokinetic simulations.

Original language	English (US)
Article number	072001
Journal	Plasma Physics and Controlled Fusion
Volume	56
Issue number	7
DOIs	https://doi.org/10.1088/0741-3335/56/7/072001
State	Published - Jul 2014
Externally published	Yes

All Science Journal Classification (ASJC) codes

Nuclear Energy and Engineering
Condensed Matter Physics

Keywords

geodesic acoustic mode
phase-contrast imaging
tokamak

Access to Document

10.1088/0741-3335/56/7/072001

Cite this

De Meijere, C. A., Coda, S., Huang, Z., Vermare, L., Vernay, T., Vuille, V., Brunner, S., Dominski, J., Hennequin, P., Krämer-Flecken, A., Merlo, G., Porte, L., & Villard, L. (2014). Complete multi-field characterization of the geodesic acoustic mode in the TCV tokamak. Plasma Physics and Controlled Fusion, 56(7), Article 072001. https://doi.org/10.1088/0741-3335/56/7/072001

@article{165cdfac5e42401fb03471876123597b,

title = "Complete multi-field characterization of the geodesic acoustic mode in the TCV tokamak",

abstract = "The geodesic acoustic mode (GAM) is a coherently oscillating zonal flow that may regulate turbulence in toroidal plasmas. Uniquely, the complete poloidal and toroidal structure of the magnetic component of the turbulence-driven GAM has been mapped in the TCV tokamak. Radially localized measurements of the fluctuating density, ECE radiative temperature and poloidal flow show that the GAM is a fully coherent, radially propagating wave. These observations are consistent with electrostatic, gyrokinetic simulations.",

keywords = "geodesic acoustic mode, phase-contrast imaging, tokamak",

author = "\{De Meijere\}, \{C. A.\} and S. Coda and Z. Huang and L. Vermare and T. Vernay and V. Vuille and S. Brunner and J. Dominski and P. Hennequin and A. Kr{\"a}mer-Flecken and G. Merlo and L. Porte and L. Villard",

year = "2014",

month = jul,

doi = "10.1088/0741-3335/56/7/072001",

language = "English (US)",

volume = "56",

journal = "Plasma Physics and Controlled Fusion",

issn = "0741-3335",

publisher = "IOP Publishing Ltd.",

number = "7",

}

TY - JOUR

T1 - Complete multi-field characterization of the geodesic acoustic mode in the TCV tokamak

AU - De Meijere, C. A.

AU - Coda, S.

AU - Huang, Z.

AU - Vermare, L.

AU - Vernay, T.

AU - Vuille, V.

AU - Brunner, S.

AU - Dominski, J.

AU - Hennequin, P.

AU - Krämer-Flecken, A.

AU - Merlo, G.

AU - Porte, L.

AU - Villard, L.

PY - 2014/7

Y1 - 2014/7

N2 - The geodesic acoustic mode (GAM) is a coherently oscillating zonal flow that may regulate turbulence in toroidal plasmas. Uniquely, the complete poloidal and toroidal structure of the magnetic component of the turbulence-driven GAM has been mapped in the TCV tokamak. Radially localized measurements of the fluctuating density, ECE radiative temperature and poloidal flow show that the GAM is a fully coherent, radially propagating wave. These observations are consistent with electrostatic, gyrokinetic simulations.

AB - The geodesic acoustic mode (GAM) is a coherently oscillating zonal flow that may regulate turbulence in toroidal plasmas. Uniquely, the complete poloidal and toroidal structure of the magnetic component of the turbulence-driven GAM has been mapped in the TCV tokamak. Radially localized measurements of the fluctuating density, ECE radiative temperature and poloidal flow show that the GAM is a fully coherent, radially propagating wave. These observations are consistent with electrostatic, gyrokinetic simulations.

KW - geodesic acoustic mode

KW - phase-contrast imaging

KW - tokamak

UR - https://www.scopus.com/pages/publications/84902964201

UR - https://www.scopus.com/inward/citedby.url?scp=84902964201&partnerID=8YFLogxK

U2 - 10.1088/0741-3335/56/7/072001

DO - 10.1088/0741-3335/56/7/072001

M3 - Article

AN - SCOPUS:84902964201

SN - 0741-3335

VL - 56

JO - Plasma Physics and Controlled Fusion

JF - Plasma Physics and Controlled Fusion

IS - 7

M1 - 072001

ER -

Complete multi-field characterization of the geodesic acoustic mode in the TCV tokamak

Abstract

All Science Journal Classification (ASJC) codes

Keywords

Access to Document

Other files and links

Fingerprint

Cite this