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Determination of the Structure of Current Sheets and Detection of Sheet Disruption Based on Measurements by External Magnetic Probes

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Abstract

A simple macroscopic method for detection of current sheet disruptions and determination of the width of metastable sheets is proposed based on the measurements of magnetic fields at the external surface of the vacuum chamber. This contactless diagnostic method does not affect the plasma processes in the current sheet and allows one to increase the signal-to-noise ratio. Such changes will allow us to relatively quickly determine the conditions of current sheet development under which sheet disruptions are most probable.

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Funding

This work was supported by the State assignment no. AAAA-A19-1191211790086-9.

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Authors and Affiliations

  1. Prokhorov General Physics Institute of the Russian Academy of Sciences, 119991, Moscow, Russia

    A. G. Frank

  2. Р.N. Lebedev Physical Institute of the Russian Academy of Sciences, 119991, Moscow, Russia

    S. A. Savinov

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  1. A. G. Frank
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  2. S. A. Savinov
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Correspondence to A. G. Frank.

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Translated by E. Voronova

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Frank, A.G., Savinov, S.A. Determination of the Structure of Current Sheets and Detection of Sheet Disruption Based on Measurements by External Magnetic Probes. Plasma Phys. Rep. 46, 920–926 (2020). https://doi.org/10.1134/S1063780X20090032

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  • DOI: https://doi.org/10.1134/S1063780X20090032

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