期刊
PHYSICAL REVIEW LETTERS
卷 104, 期 3, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.104.030401
关键词
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资金
- EPSRC [EP/F032773/1, EP/G026823/1]
- EPSRC [EP/F032773/1, EP/G026823/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/F032773/1, EP/G026823/1] Funding Source: researchfish
We propose a method to measure the superfluid fraction of an atomic gas. The method involves the use of a vector potential generated by optical beams with nonzero angular momenta to simulate uniform rotation. The induced change in angular momentum of the atomic gas can be measured spectroscopically. This allows a direct determination of the superfluid fraction.
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