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Detection of Alfvén Oscillations on the Globus-M Tokamak Using the Doppler Backscattering Method

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Abstract

The method of Doppler backscattering (DBS) has been applied for the study of Alfvén oscillations in the tokamak plasma for the first time. The oscillations of the plasma rotation velocity at the Alfvén frequency have been able to be registered using DBS during the studies on the Globus-M spherical tokamak. The area of the development of Alfvén instability has been determined. The measurement of the amplitude of rotation velocity oscillations has allowed the estimation of the absolute values of the amplitudes of the oscillations of the electric and magnetic fields of Alfvén oscillations in the region of their existence in the plasma-discharge volume in tokamak.

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Authors and Affiliations

  1. Peter the Great St. Petersburg Polytechnic University, St. Petersburg, Russia

    V. V. Bulanin, A. V. Petrov, M. A. Petrov & A. Yu. Yashin

  2. Ioffe Physical Technical Institute, Russian Academy of Sciences, St. Petersburg, Russia

    V. K. Gusev, G. S. Kurskiev, V. B. Minaev, M. I. Patrov, Yu. V. Petrov & A. Yu. Telnova

Authors
  1. V. V. Bulanin
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  2. V. K. Gusev
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  3. G. S. Kurskiev
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  4. V. B. Minaev
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  5. M. I. Patrov
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  6. A. V. Petrov
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  7. M. A. Petrov
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  8. Yu. V. Petrov
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  9. A. Yu. Telnova
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  10. A. Yu. Yashin
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Corresponding author

Correspondence to V. V. Bulanin.

Additional information

Original Russian Text © V.V. Bulanin, V.K. Gusev, G.S. Kurskiev, V.B. Minaev, M.I. Patrov, A.V. Petrov, M.A. Petrov, Yu.V. Petrov, A.Yu. Telnova, A.Yu. Yashin, 2017, published in Pis’ma v Zhurnal Tekhnicheskoi Fiziki, 2017, Vol. 43, No. 23, pp. 40–47.

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Bulanin, V.V., Gusev, V.K., Kurskiev, G.S. et al. Detection of Alfvén Oscillations on the Globus-M Tokamak Using the Doppler Backscattering Method. Tech. Phys. Lett. 43, 1067–1070 (2017). https://doi.org/10.1134/S1063785017120033

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  • DOI: https://doi.org/10.1134/S1063785017120033

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