期刊
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS
卷 43, 期 15, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0953-4075/43/15/155002
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资金
- Stichting voor Fundamenteel Onderzoek van de Materie (Foundation for the Fundamental Research on Matter)
- Nederlandse Organisatie voor Wetenschappelijk Onderzoek (Netherlands Organization for the Advancement of Research)
- European Union [MRTN-CT-2003-505032]
- Marie Curie [PIIF-GA-2008-220794]
We present the implementation of tailored trapping potentials for ultracold gases on an atom chip. We realize highly elongated traps with box-like confinement along the long, axial direction combined with conventional harmonic confinement along the two radial directions. The design, fabrication and characterization of the atom chip and the box traps are described. We load ultracold (less than or similar to 1 mu K) clouds of (87)Rb in a box trap, and demonstrate Bose-gas focusing as a means to characterize these atomic clouds in arbitrarily shaped potentials. Our results show that box-like axial potentials on atom chips are very promising for studies of one-dimensional quantum gases.
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