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cond-mat.quant-gas2024
Quantum vortex stability in draining fluid flows
Sam Patrick
Quantum vortices with more than a single circulation quantum are usually unstable and decay into clusters of smaller vortices. One way to prevent the decay is to place the vortex a…
cond-mat.quant-gas2023
Stability of quantised vortices in two-component condensates
Sam Patrick, Ansh Gupta, Ruth Gregory +1
Multiply quantised vortices (MQVs) within single component Bose-Einstein condensates are unstable and decay rapidly. We show that MQVs can be stabilised by adding a small number of…
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…