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Sensitivity of the plasma electric potential to the transport barriers formation

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Czechoslovak Journal of Physics Aims and scope

Abstract

Heavy Ion Beam Probe diagnostics was used to study plasma potential and density in the regimes with improvement in confinement on the T-10 tokamak. Time-spatial potential distribution was analyzed during the formation of transport barriers. The time evolution of the potential profile shows simultaneous formation of the internal negative potential well and external layer with strong Er, during the simultaneous formation of the internal and external transport barriers. The time history of the plasma potential in the inner region (0.6<ρ<1) shows its clear correlation with theD α intensity.

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References

  1. V.V. Alikaev et al.: inProc. 27th EPS Conf. on the Plasma Phys. and Contr. Fusion, Budapest, Hungary 2000, in print.

  2. A.V. Melnikov, L.G. Eliseev: Czech. J. Phys.49, Suppl. S3, (1999) 35.

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  3. A.V. Melnikov et al.: in10th Int. Toki Conf. on Plasma Physics and Controlled Nuclear Fusion (ITC-10), 2000, Book of abstracts, p. 53. Submitted to J. of Plasma and Fusion Research of Japan.

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Authors and Affiliations

  1. RRC “Kurchatov Institute”, Institute of Nuclear Fusion, Kurchatov sq. 1, Moscow, Russia

    Leonid G. Eliseev & Alexander V. Melnikov

  2. NSC “Kharkov Institute of Physics and Technology”, Institute of Plasma Physics, Akademicheskaya st. 1, Kharkov, Ukraine

    Ludmila I. Krupnik &  HIBP Team

Authors
  1. Leonid G. Eliseev
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  2. Alexander V. Melnikov
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  3. Ludmila I. Krupnik
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  4. HIBP Team
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Additional information

This work was supported by Russian Basic Research Foundation, Grant No. 99-02-18457.

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Eliseev, L.G., Melnikov, A.V., Krupnik, L.I. et al. Sensitivity of the plasma electric potential to the transport barriers formation. Czech J Phys 50, 1413–1420 (2000). https://doi.org/10.1023/A:1022899630029

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  • DOI: https://doi.org/10.1023/A:1022899630029

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