Abstract
We consider a quantized vortex line parallel to the interface between the concentrated (c) and dilute (d) phases of a liquid 3He-4He mixture. The vortex produces a groove-like distortion of the interface deflected into the d-phase. As a vortex approaches the interface, the bending flexure increases, reaching a maximum of 0.65μm at a critical distance of 1.3μm. Closer positions become absolutely unstable. Distortion of the interface leads to strong reduction of the threshold (6.3cm/s) for the Helmholtz-Kelvin tangential instability.
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Burmistrov, S., Dubovskii, L. & Satoh, T. Quantized Vortices Beside the Superfluid-Normal Interface. Journal of Low Temperature Physics 121, 399–404 (2000). https://doi.org/10.1023/A:1017549613326
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DOI: https://doi.org/10.1023/A:1017549613326