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The influence of the plasma inhomogeneity on the critical velocity phenomenon

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Abstract

The phenomenon of a critical ionization velocity is discussed under the aspect of experimentally measured inhomogeneities. The difficulties inherent in homogeneous plasma models on the phenomenon are shown. A simple sheath model is presented which can be compared with the local plasma parameters measured in a rotating plasma device. The origin of the observed turbulent heating is attributed to a modified two-stream instability occurring in the sheath under discussion.

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Piel, A., Möbius, E. & Himmel, G. The influence of the plasma inhomogeneity on the critical velocity phenomenon. Astrophys Space Sci 72, 211–221 (1980). https://doi.org/10.1007/BF00642180

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