Persistent current formation in a high-temperature Bose-Einstein condensate: an experimental test for c-field theory
arXiv:1208.4421 · doi:10.1103/PhysRevA.88.063620
Abstract
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 form a macroscopic persistent current [T. W. Neely em et al. arXiv:1204.1102 (2012)]. We perform 3D numerical simulations of the experimental sequence within the Stochastic Projected Gross-Pitaevskii equation using ab initio determined reservoir parameters. We find that both damping and noise are essential for describing the dynamics of the high-temperature Bose field. The theory gives a quantitative account of the formation of a persistent current, with no fitted parameters.
v2: 7 pages, 3 figures, new experimental data and numerical simulations
References in corpus (14)
- Many-Body Physics with Ultracold Gases
- Spontaneous vortices in the formation of Bose-Einstein condensates
- Observation of persistent flow of a Bose-Einstein condensate in a toroidal trap
- Dynamics and statistical mechanics of ultra-cold Bose gases using c-field techniques
- Finite Temperature Models of Bose-Einstein Condensation
- Bose-Einstein Condensation from a Rotating Thermal Cloud: Vortex Nucleation and Lattice Formation
- Probing the circulation of ring-shaped Bose-Einstein condensates
- Kibble-Zurek scaling and its breakdown for spontaneous generation of Josephson vortices in Bose-Einstein condensates
- The stochastic projected Gross-Pitaevskii equation
- Numerical method for evolving the Projected Gross-Pitaevskii equation
- Observable Vortex Properties in Finite Temperature Bose Gases
- Ab initio methods for finite temperature two-dimensional Bose gases
- Dynamical thermalization and vortex formation in stirred 2D Bose-Einstein condensates
- Condensation and quasicondensation in an elongated three-dimensional Bose gas
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