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cond-mat.quant-gas2021
Quantum vortex instability and black hole superradiance
Sam Patrick, August Geelmuyden, Sebastian Erne +2
Vortices and black holes set the scene for many interesting dynamical processes in physics. Here, we study the dynamical instability of quantised vortices and rotational superradia…
cond-mat.quant-gas2021
Origin and evolution of the multiply-quantised vortex instability
Sam Patrick, August Geelmuyden, Sebastian Erne +2
We show that the dynamical instability of quantum vortices with more than a single quantum of angular momentum results from a superradiant bound state inside the vortex core. Our c…