Nucleation of vortices by rapid thermal quench
classification
❄️ cond-mat.supr-con
keywords
instabilitynucleationquenchrapidthermaldensitydominatedequation
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We show that vortex nucleation in superfluid $^3$He by rapid thermal quench in the presence of superflow is dominated by a transverse instability of the moving normal-superfluid interface. Exact expressions for the instability threshold as a function of supercurrent density and the front velocity are found. The results are verified by numerical solution of the Ginzburg-Landau equation.
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