期刊
PHYSICAL REVIEW LETTERS
卷 129, 期 3, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.129.033401
关键词
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资金
- National Key R&D Program of China [2018YFA0306502]
- National Natural Science Foundation of China [11521063, 11904355]
- Chinese Academy of Sciences
- Anhui Initiative in Quantum Information Technologies
- Shanghai Municipal Science and Technology Major Project [2019SHZDZX01]
- Shanghai Rising-Star Program [20QA1410000]
- Innovation Program for Quantum Science and Technology [2021ZD0302101]
We have demonstrated the resonant control of elastic scattering cross sections near Feshbach resonances between (NaK)-Na-23-K-40 molecules and K-40 atoms by studying their thermalization. The scattering cross sections show a variation of more than 2 orders of magnitude near the resonance, and can be accurately described by an asymmetric Fano profile. This observation opens up possibilities for studying strongly interacting atom-molecule mixtures and improving our understanding of complex atom-molecule Feshbach resonances.
We have demonstrated the resonant control of the elastic scattering cross sections in the vicinity of Feshbach resonances between (NaK)-Na-23-K-40 molecules and K-40 atoms by studying the thermalization between them. The elastic scattering cross sections vary by more than 2 orders of magnitude close to the resonance, and can be well described by an asymmetric Fano profile. The parameters that characterize the magnetically tunable s -wave scattering length are determined from the elastic scattering cross sections. The observation of resonantly controlled elastic scattering cross sections opens up the possibility to study strongly interacting atom-molecule mixtures and improve our understanding of the complex atom-molecule Feshbach resonances.
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