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Low-frequency structural plasma turbulence in the L-2M stellarator

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Abstract

Experiments on the L-2M stellarator have shown the occurrence of steady-state low-frequency strong structural (LFSS) turbulence throughout the entire plasma column. A key feature of LFSS turbulence is the presence of stochastic plasma structures. It is shown that different types of LFSS turbulence are correlated throughout the entire plasma volume. Stable non-Gaussian probability density distributions of all of the fluctuating plasma parameters are measured. The characteristic spatial and time scales of LFSS turbulence, which is responsible for non-Brownian diffusion in plasma, are determined.

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Authors and Affiliations

  1. Prokhorov Institute of General Physics, Russian Academy of Sciences, ul. Vavilova 38, Moscow, 119991, Russia

    G. M. Batanov, A. E. Petrov, A. A. Pshenichnikov, K. A. Sarksyan, N. N. Skvortsova, N. K. Kharchev & Yu. V. Kholnov

  2. Moscow State University, Vorob'evy gory, Moscow, 119899, Russia

    V. E. Bening & V. Yu. Korolev

Authors
  1. G. M. Batanov
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  2. V. E. Bening
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  3. V. Yu. Korolev
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  4. A. E. Petrov
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  5. A. A. Pshenichnikov
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  6. K. A. Sarksyan
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  7. N. N. Skvortsova
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  8. N. K. Kharchev
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  9. Yu. V. Kholnov
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Translated from Pis'ma v Zhurnal Éksperimental'no\({{P_{As_4 } } \mathord{\left/ {\vphantom {{P_{As_4 } } {P_{Ga} }}} \right. \kern-\nulldelimiterspace} {P_{Ga} }} = \gamma \) i Teoretichesko\({{P_{As_4 } } \mathord{\left/ {\vphantom {{P_{As_4 } } {P_{Ga} }}} \right. \kern-\nulldelimiterspace} {P_{Ga} }} = \gamma \) Fiziki, Vol. 78, No. 8, 2003, pp. 974–983.

Original Russian Text Copyright © 2003 by Batanov, Bening, Korolev, Petrov, Pshenichnikov, Sarksyan, Skvortsova, Kharchev, Kholnov.

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Batanov, G.M., Bening, V.E., Korolev, V.Y. et al. Low-frequency structural plasma turbulence in the L-2M stellarator. Jetp Lett. 78, 502–510 (2003). https://doi.org/10.1134/1.1637703

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  • DOI: https://doi.org/10.1134/1.1637703

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