| Original Articles |
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Magnetic Surface Microtraps for Two-Species Bose-Einstein
Condensations |
| HU Jian-Jun1;YIN Jian-Ping1,2 |
| 1Department of Physics, Suzhou University, Suzhou 215006
2Key Laboratory for Optical and Magnetic Resonance Spectroscopy, Department of Physics, East China Normal University, Shanghai 200062
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| Cite this article: |
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HU Jian-Jun, YIN Jian-Ping 2002 Chin. Phys. Lett. 19 782-785 |
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Abstract We propose a novel magnetic surface microtraps (i.e., a double Z-wire trap) for the study of two-species Bose-Einstein condensations. The spatial distributions of the magnetic fields from the double Z-wire configurations and their gradients and curvatures are calculated and analysed. The result shows that the proposed surface trap has double magnetic wells and can be continuously changed into a single-well trap by reducing the current in a straight wire, and the maximum field gradient greater than 5 x 104G/cm and the maximum field curvature (at each trap center) greater than 2.5 x 107G/cm2 can be generated in our double-well traps, which can be used to realize two-species Bose-Einstein condensations and to study the properties of double-well Bose-Einstein condensations and so on.
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| Keywords:
32.80.Pj
03.75.Be
33.80.Ps
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Published: 01 June 2002
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