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Plasma biasing by non-resonant ponderomotive forces of radio-frequency waves

Published online by Cambridge University Press:  13 March 2009

R. van Nieuwenhove ,
V. Petržíka  and
J. A. Tataronis
R. van Nieuwenhove
Affiliation:
Association Euratom–Etat Belge, Département de Physique Statistique et Plasmas, CP 231, Université Libre de Bruxelles, Campus Plaine, 1050 Bruxelles, Belgium
V. Petržíka
Affiliation:
Association Euratom–Etat Belge, Département de Physique Statistique et Plasmas, CP 231, Université Libre de Bruxelles, Campus Plaine, 1050 Bruxelles, Belgium
J. A. Tataronis
Affiliation:
Association Euratom–Etat Belge, Département de Physique Statistique et Plasmas, CP 231, Université Libre de Bruxelles, Campus Plaine, 1050 Bruxelles, Belgium
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Abstract

A numerical code that computes stationary radial electric fields E0r induced by ponderomotive forces of radio-frequency waves is developed. The computed value of E0r is typically several hundred volts per centimetre when the wave frequency is 1 % lower or higher than the ion-cyclotron frequency. This value of E0r suggests that the ponderomotively induced electric field would be an effective bias in tokamaks. Numerical data are presented to illustrate the properties of this bias field.

Type
Research Article
Information
Journal of Plasma Physics , Volume 54 , Issue 2 , October 1995 , pp. 245 - 258
Copyright
Copyright © Cambridge University Press 1995

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