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Peer-reviewedCC BY 4.0Physical Review Letters

Quench-Induced Supercurrents in an Annular Bose Gas

  • Laura Corman
  • L. Chomaz
  • T. Bienaimé
  • R. Desbuquois
  • C. Weitenberg
  • S. Nascimbène
  • J. Dalibard
  • J. Beugnon
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Abstract

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.

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Cite

BibTeXRIS
BibTeX
@article{corman2026quenchinduced,
  title = {{Quench-Induced Supercurrents in an Annular Bose Gas}},
  author = {Laura Corman and L. Chomaz and T. Bienaimé and R. Desbuquois and C. Weitenberg and S. Nascimbène and J. Dalibard and J. Beugnon},
  journal = {Physical Review Letters},
  year = {2026},
  month = sep,
  doi = {10.1103/physrevlett.113.135302},
  eprint = {1406.4073},
  archivePrefix = {arXiv},
  url = {https://hal.science/hal-03740658v1},
  note = {CC BY 4.0},
}
RIS
TY  - JOUR
TI  - Quench-Induced Supercurrents in an Annular Bose Gas
AU  - Laura Corman
AU  - L. Chomaz
AU  - T. Bienaimé
AU  - R. Desbuquois
AU  - C. Weitenberg
AU  - S. Nascimbène
AU  - J. Dalibard
AU  - J. Beugnon
PY  - 2026
DA  - 2026/09/25
JO  - Physical Review Letters
DO  - 10.1103/physrevlett.113.135302
UR  - https://hal.science/hal-03740658v1
AB  - 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.
SN  - 0031-9007
SN  - 1079-7114
ER  -