Experimental evidence of three-wave coupling on plasma turbulence

C. Hidalgo; E. Sánchez; T. Estrada; B. Brañas; Ch P. Ritz; T. Uckan; J. Harris; A. J. Wootton

doi:10.1103/PhysRevLett.71.3127

Experimental evidence of three-wave coupling on plasma turbulence

C. Hidalgo, E. Sánchez, T. Estrada, B. Brañas, Ch P. Ritz, T. Uckan, J. Harris, A. J. Wootton

Power Exhaust and Particle Control

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Abstract

Experimental evidence of the nonlinear nature of the broadband edge fluctuations has been obtained in edge turbulence in the Advanced Toroidal Facility torsatron. Whereas little nonlinear wave interaction is found in the scrape-off layer region, three-wave coupling is enhanced in the plasma edge region (r<ashear). The degree of three-wave coupling strongly depends on the plasma conditions; it decreases in the temperature range (Te10 eV) where the ionization rates depend strongly on Te suggesting a link between ionization source and turbulence.

Original language	English
Pages (from-to)	3127-3130
Number of pages	4
Journal	Physical Review Letters
Volume	71
Issue number	19
DOIs	https://doi.org/10.1103/PhysRevLett.71.3127
State	Published - 1993

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10.1103/PhysRevLett.71.3127

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title = "Experimental evidence of three-wave coupling on plasma turbulence",

abstract = "Experimental evidence of the nonlinear nature of the broadband edge fluctuations has been obtained in edge turbulence in the Advanced Toroidal Facility torsatron. Whereas little nonlinear wave interaction is found in the scrape-off layer region, three-wave coupling is enhanced in the plasma edge region (r",

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AU - Hidalgo, C.

AU - Sánchez, E.

AU - Estrada, T.

AU - Brañas, B.

AU - Ritz, Ch P.

AU - Uckan, T.

AU - Harris, J.

AU - Wootton, A. J.

PY - 1993

Y1 - 1993

N2 - Experimental evidence of the nonlinear nature of the broadband edge fluctuations has been obtained in edge turbulence in the Advanced Toroidal Facility torsatron. Whereas little nonlinear wave interaction is found in the scrape-off layer region, three-wave coupling is enhanced in the plasma edge region (r

AB - Experimental evidence of the nonlinear nature of the broadband edge fluctuations has been obtained in edge turbulence in the Advanced Toroidal Facility torsatron. Whereas little nonlinear wave interaction is found in the scrape-off layer region, three-wave coupling is enhanced in the plasma edge region (r

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DO - 10.1103/PhysRevLett.71.3127

M3 - Article

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VL - 71

SP - 3127

EP - 3130

JO - Physical Review Letters

JF - Physical Review Letters

IS - 19

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Experimental evidence of three-wave coupling on plasma turbulence

Abstract

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