期刊
PHYSICAL REVIEW A
卷 87, 期 1, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.87.010703
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资金
- UK EPSRC
- AFOSR MURI [FA9550-09-1-0617]
- EOARD [FA8655-10-1-3033]
- Engineering and Physical Sciences Research Council [EP/H003363/1, EP/I012044/1] Funding Source: researchfish
- EPSRC [EP/I012044/1, EP/H003363/1] Funding Source: UKRI
We report the observation of interspecies Feshbach resonances in an optically trapped mixture of Rb-85 and Cs-133. We measure nine resonances in the lowest spin channel for a magnetic field range from 0 to 700 G and show that they are in good agreement with coupled-channel calculations. The interspecies background scattering length is close to zero over a large range of magnetic fields, permitting the sensitive detection of Feshbach resonances through interspecies thermalization. Our results confirm the quality of the Rb-Cs potential curves [Phys. Rev. A 85, 032506 (2012)] and offer promising starting points for the production of ultracold polar molecules. DOI:10.1103/PhysRevA.87.010703
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