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Article Dans Une Revue Physical Review Letters Année : 2014

Quench-Induced Supercurrents in an Annular Bose Gas : v. 1, v. 2

Résumé

We create supercurrents in annular two-dimensional Bose gases through a temperature quench of the normal-to-superfluid phase transition. We detect the magnitude and the direction of these supercurrents by measuring spiral patterns resulting from the interference of the cloud with a central reference disk. These measurements demonstrate the stochastic nature of the supercurrents. We further measure their distribution for different quench times and compare it with predictions based on the Kibble-Zurek mechanism.

Dates et versions

hal-03740658 , version 1 (29-07-2022)

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Citer

L. Corman, L. Chomaz, T. Bienaimé, R. Desbuquois, C. Weitenberg, et al.. Quench-Induced Supercurrents in an Annular Bose Gas : v. 1, v. 2. Physical Review Letters, 2014, 113 (13), pp.135302. ⟨10.1103/PhysRevLett.113.135302⟩. ⟨hal-03740658⟩
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