期刊
PHYSICAL REVIEW LETTERS
卷 121, 期 22, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.121.220405
关键词
-
资金
- DFG [SFB 925]
- Hamburg Center for Ultrafast Imaging (CUI)
We demonstrate a light-induced formation of coherence in a cold atomic gas system that utilizes the suppression of a competing density wave (DW) order. The condensed atoms are placed in an optical cavity and pumped by an external optical standing wave, which induces a long-range interaction mediated by photon scattering and a resulting DWorder above a critical pump strength. We show that the light-induced temporal modulation of the pump wave can suppress this DWorder and restore coherence. This establishes a foundational principle of dynamical control of competing orders analogous to a hypothesized mechanism for light-induced superconductivity in high-T-c cuprates.
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