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APS » Journals » Phys. Rev. Lett. » Volume 87 » Issue 13
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Phys. Rev. Lett. 87, 130402 (2001) [4 pages]

Realization of Bose-Einstein Condensates in Lower Dimensions

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A. Görlitz*, J. M. Vogels, A. E. Leanhardt, C. Raman, T. L. Gustavson, J. R. Abo-Shaeer, A. P. Chikkatur, S. Gupta, S. Inouye, T. Rosenband, and W. Ketterle
Department of Physics and Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139

Received 23 April 2001; published 4 September 2001

Bose-Einstein condensates of sodium atoms have been prepared in optical and magnetic traps in which the energy-level spacing in one or two dimensions exceeds the interaction energy between atoms, realizing condensates of lower dimensionality. The crossover into two-dimensional and one-dimensional condensates was observed by a change in aspect ratio and by the release energy converging to a nonzero value when the number of trapped atoms was reduced.

© 2001 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.87.130402
DOI:
10.1103/PhysRevLett.87.130402
PACS:
03.75.Fi, 34.50.-s, 67.90.+z

*Current address: Universität Stuttgart, 5 Phys. Inst., Germany.

 
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