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cond-mat.quant-gas2026
Quantum undular bores, rainbows, and event horizons in superfluid dam breaks
Liam M. Farrell, Wyatt Kirkby, Alex Harris +3
The sudden removal of a potential barrier from a Bose-Einstein condensate (BEC) gives rise to a quantum version of a hydrodynamic dam break and leads to rich wave dynamics that hav…
cond-mat.quant-gas2022★ 6 cited
Logarithmic catastrophes and Stokes's phenomenon in waves at horizons
L. M. Farrell, C. J. Howls, D. H. J. O'Dell
Waves propagating near an event horizon display interesting features including logarithmic phase singularities and caustics. We consider an acoustic horizon in a flowing Bose-Einst…