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On effects of a local plasma density growth due to ponderomotive forces at fast wave launching in tokamaks

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Czechoslovak Journal of Physics Aims and scope

Abstract

Nonlinear changes of the reflection coefficient are computed at fast wave launching by a waveguide array; namely, the case of an eventual fast wave experiment on the FTU tokamak is considered. In the case of low plasma density gradients, the reflection coefficient may significantly change at the wave power in the range of several kilowatts per centimetre square because of the ponderomotive force effects.

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Authors and Affiliations

  1. Institute of Plasma Physics, Czech Acad. Sci., Za Slovankou 3, P.O.B. 17, 182 11, Praha 8, Czech Republic

    V. Petržílka

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  1. V. Petržílka
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The author thanks the referee for useful comments. This work has been partially supported by the Internal Grant No. 14352 of the Czech Academy of Sciences.

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Petržílka, V. On effects of a local plasma density growth due to ponderomotive forces at fast wave launching in tokamaks. Czech J Phys 43, 761–768 (1993). https://doi.org/10.1007/BF01607587

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  • DOI: https://doi.org/10.1007/BF01607587

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