Atom-optically synthetic gauge fields for a noninteracting Bose gas

Yuqing Li; Jiahui Zhang; Yunfei Wang; Huiying Du; Jizhou Wu; Wenliang Liu; Feng Mei; Jie Ma; Liantuan Xiao; Suotang Jia

doi:10.1038/s41377-021-00702-7

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Atom-optically synthetic gauge fields for a noninteracting Bose gas

Articles

- Atom-optically synthetic gauge fields for a noninteracting Bose gas
- Atom-optically synthetic gauge fields for a noninteracting Bose gas
- LSA 2022年11卷第3期页码：304-310
- Affiliations：
  
  1.State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Laser Spectroscopy, Shanxi University, Taiyuan, 030006, China
  2.Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan, Shanxi, 030006, China
- Author bio：
  
  Feng Mei (meifeng@sxu.edu.cn)
  Jie Ma (mj@sxu.edu.cn)
- Funds：
- DOI：10.1038/s41377-021-00702-7
  中图分类号：
- 纸质出版日期：2022-03-31，
  
  网络出版日期：2022-01-07，
  
  收稿日期：2021-09-07，
  
  修回日期：2021-12-15，
  
  录用日期：2021-12-22
- Accepted：
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Atom-optically synthetic gauge fields for a noninteracting Bose gas[J]. LSA, 2022,11(3):304-310.

Li, Y. Q. et al. Atom-optically synthetic gauge fields for a noninteracting Bose gas. Light: Science & Applications, 11, 304-310 (2022).
Atom-optically synthetic gauge fields for a noninteracting Bose gas[J]. LSA, 2022,11(3):304-310. DOI： 10.1038/s41377-021-00702-7.

Li, Y. Q. et al. Atom-optically synthetic gauge fields for a noninteracting Bose gas. Light: Science & Applications, 11, 304-310 (2022). DOI： 10.1038/s41377-021-00702-7.

摘要

Abstract

Synthetic gauge fields in synthetic dimensions are now of great interest. This concept provides a convenient manner for exploring topological phases of matter. Here

we report on the first experimental realization of an atom-optically synthetic gauge field based on the synthetic momentum-state lattice of a Bose gas of

133

Cs atoms

where magnetically controlled Feshbach resonance is used to tune the interacting lattice into noninteracting regime. Specifically

we engineer a noninteracting one-dimensional lattice into a two-leg ladder with tunable synthetic gauge fields. We observe the flux-dependent populations of atoms and measure the gauge field-induced chiral currents in the two legs. We also show that an inhomogeneous gauge field could control the atomic transport in the ladder. Our results lay the groundwork for using a clean noninteracting synthetic momentum-state lattice to study the gauge field-induced topological physics.

关键词

Keywords

references

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