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Modeling of O-X-B conversion of electromagnetic radiation in tokamak plasmas

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Abstract

Linear conversion of the ordinary wave to the extraordinary wave and then to the Bernstein wave (O-X-B conversion) in a tokamak plasma is considered in the generalized geometric-optical approximation taking into account the relativistic effects in a dielectric permitivity tensor. Using the T-10 tokamak as an example, it is shown that even for a relatively low plasma temperature (about 1 keV at the plasma-column center) relativistic effects exert a notable influence on the cyclotron absorption of Bernstein waves. Power deposition profiles for O-X-B plasma heating are determined. The emission of spontaneously excited Bernstein waves resulting from the B-X-O conversion are considered.

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Authors and Affiliations

  1. Institute of Applied Physics of the Russian Academy of Sciences, Nizhny Novgorod, Russia

    M. A. Balakina, A. G. Shalashov, E. D. Gospodchikov & O. B. Smolyakova

Authors
  1. M. A. Balakina
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  2. A. G. Shalashov
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  3. E. D. Gospodchikov
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  4. O. B. Smolyakova
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__________

Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Radiofizika, Vol. 49, No. 8, pp. 686–703, August 2006.

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Balakina, M.A., Shalashov, A.G., Gospodchikov, E.D. et al. Modeling of O-X-B conversion of electromagnetic radiation in tokamak plasmas. Radiophys Quantum Electron 49, 617–632 (2006). https://doi.org/10.1007/s11141-006-0096-z

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  • DOI: https://doi.org/10.1007/s11141-006-0096-z

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