期刊
PHYSICAL REVIEW RESEARCH
卷 4, 期 2, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevResearch.4.023184
关键词
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资金
- Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) [CRC 1227, FOR2247, EXC-2123, 390837967]
- Deutsche Forschungsgemeinschaft
- Provincia Autonoma di Trento
In this study, mixtures of ultracold K-39 atoms in various hyperfine spin states with Na-23 K-39 molecules were prepared in an optical dipole trap at a fixed magnetic field. Inelastic two-body atom-molecule collisions were studied, and hyperfine dependent atom-molecule losses were observed with a two-body loss rate far below the universal limit. The dynamics of the two-body loss were analyzed based on the derivation of general and easy applicable analytic solutions.
We prepare mixtures of ultracold K-39 atoms in various hyperfine spin states with Na-23 K-39 molecules in an optical dipole trap at a fixed magnetic field and study inelastic two-body atom-molecule collisions. We observe atom-molecule losses that are hyperfine dependent with a two-body loss rate far below the universal limit. We analyze the two-body loss dynamics based on the derivation of general and easy applicable analytic solutions for the differential equations describing the loss of an arbitrary number gamma of particles in a single collisional event.
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