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APS » Journals » Phys. Rev. Lett. » Volume 89 » Issue 11
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Phys. Rev. Lett. 89, 110402 (2002) [4 pages]

Crossover from One to Three Dimensions for a Gas of Hard-Core Bosons

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Kunal K. Das*, M. D. Girardeau†, and E. M. Wright‡
Optical Sciences Center and Department of Physics, University of Arizona, Tucson, Arizona 85721

Received 15 April 2002; published 26 August 2002

We develop a variational theory of the crossover from the one-dimensional (1D) regime to the 3D regime for ultracold Bose gases in thin waveguides. Within the 1D regime we map out the parameter space for fermionization, which may span the full 1D regime for suitable transverse confinement.

© 2002 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.89.110402
DOI:
10.1103/PhysRevLett.89.110402
PACS:
03.75.Fi, 05.30.Jp

*Electronic address: kdas@optics.arizona.edu

†Electronic address: girardeau@optics.arizona.edu

‡Electronic address: Ewan.Wright@optics.arizona.edu

 
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