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Classical and quantum regimes of two-dimensional turbulence in trapped Bose-Einstein condensates
M. T. Reeves, B. P. Anderson, A. S. Bradley
We investigate two-dimensional turbulence in finite-temperature trapped Bose-Einstein condensates within damped Gross-Pitaevskii theory. Turbulence is produced via circular motion…
Inverse Energy Cascade in Forced 2D Quantum Turbulence
Matthew T. Reeves, Thomas P. Billam, Brian P. Anderson +1
We demonstrate an inverse energy cascade in a minimal model of forced 2D quantum vortex turbulence. We simulate the Gross-Pitaevskii equation for a moving superfluid subject to for…
Persistent current formation in a high-temperature Bose-Einstein condensate: an experimental test for c-field theory
S. J. Rooney, T. W. Neely, B. P. Anderson +1
Experimental stirring of a toroidally trapped Bose-Einstein condensate at high temperature generates a disordered array of quantum vortices that decays via thermal dissipation to f…
Characteristics of Two-Dimensional Quantum Turbulence in a Compressible Superfluid
T. W. Neely, A. S. Bradley, E. C. Samson +7
Under suitable forcing a fluid exhibits turbulence, with characteristics strongly affected by the fluid's confining geometry. Here we study two-dimensional quantum turbulence in a…
Energy spectra of vortex distributions in two-dimensional quantum turbulence
Ashton S. Bradley, Brian P. Anderson
We theoretically explore key concepts of two-dimensional turbulence in a homogeneous compressible superfluid described by a dissipative two-dimensional Gross-Pitaeveskii equation.…