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Characterization of neutral loop discharges in the VINETA device

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Abstract

A neutral loop (NL) discharge has been implemented in the linear plasma device VINETA with three different antenna configurations. Radial profile measurements of the electron density, temperature and floating potential are performed at various neutral loop radii and compared to single particle simulations. Local density maxima are observed near the NL, for which several mechanisms have been proposed. The measured temperature profiles do not support the model of a thermal heating process, whereas the floating potential profiles corroborate the assumption of a locally enhanced induction current.

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Authors and Affiliations

  1. Max-Planck-Institut für Plasmaphysik, Wendelsteinstraße 1, 17491, Greifswald, Germany

    A. von Stechow, O. Grulke & T. Klinger

Authors
  1. A. von Stechow
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  2. O. Grulke
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  3. T. Klinger
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Correspondence to A. von Stechow.

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von Stechow, A., Grulke, O. & Klinger, T. Characterization of neutral loop discharges in the VINETA device. Eur. Phys. J. D 66, 64 (2012). https://doi.org/10.1140/epjd/e2012-20542-6

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  • DOI: https://doi.org/10.1140/epjd/e2012-20542-6

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