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Turbulence in Quantum Gases: Vortices, Waves, and Cascades
Ashton S. Bradley, Tyler W. Neely, Xiaoquan Yu +1
We review turbulence in ultracold quantum gases, using the scalar contact-interaction Bose-Einstein condensate as the reference system for quantized circulation, compressibility, v…
Shear-Induced Decaying Turbulence in Bose-Einstein Condensates
Simeon Simjanovski, Guillaume Gauthier, Halina Rubinsztein-Dunlop +2
We study the creation and breakdown of a quantized vortex shear layer forming between a stationary Bose-Einstein condensate and a stirred-in persistent current. Once turbulence is…
Emergent Universal Drag Law in a Model of Superflow
Maarten T. M. Christenhusz, Arghavan Safavi-Naini, Halina Rubinsztein-Dunlop +2
Despite the fundamentally different dissipation mechanisms, many laws and phenomena of classical turbulence equivalently manifest in quantum turbulence. The Reynolds law of dynamic…
Melting of a vortex matter Wigner crystal
Tyler W. Neely, Guillaume Gauthier, Charles Glasspool +2
The two-dimensional One-Component Plasma (OCP) is a foundational model of the statistical mechanics of interacting particles, describing phenomena common to astrophysics, turbulenc…
Optimizing persistent currents in a ring-shaped Bose-Einstein condensate using machine learning
Simeon Simjanovski, Guillaume Gauthier, Matthew J. Davis +2
We demonstrate a method for generating persistent currents in Bose-Einstein condensates by using a Gaussian process learner to experimentally control the stirring of the superfluid…
Viability of rotation sensing using phonon interferometry in Bose-Einstein condensates
Charles W. Woffinden, Andrew J. Groszek, Guillaume Gauthier +7
We demonstrate the use of a ring-shaped Bose-Einstein condensate as a rotation sensor by measuring the interference between two counter-propagating phonon modes imprinted azimuthal…