期刊
NEW JOURNAL OF PHYSICS
卷 10, 期 -, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/1367-2630/10/4/043012
关键词
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资金
- Engineering and Physical Sciences Research Council [EP/D000440/1, EP/E010873/1, EP/D000254/1] Funding Source: researchfish
- EPSRC [EP/E010873/1] Funding Source: UKRI
We combine an RF-dressed magnetic trap with an optical potential to produce a toroidal trapping potential for ultracold (87)Rb atoms. We load atoms into this ring trap from a conventional magnetic trap and compare the measured oscillation frequencies with theoretical predictions. This method of making a toroidal trap gives a high degree of flexibility such as a tuneable radius and variable transverse oscillation frequency. The ring trap is ideal for the creation of a multiply connected Bose-Einstein condensate (BEC) and the study of persistent flow and we propose a scheme for introducing a flow of the atoms around the ring.
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