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Superfluid transition in quasi-two-dimensional Fermi gases

D. S. Petrov, M. A. Baranov, and G. V. Shlyapnikov
Phys. Rev. A 67, 031601(R) – Published 11 March 2003
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Abstract

We show that atomic Fermi gases in quasi-two-dimensional (2D) geometries are promising for achieving superfluidity. In the regime of BCS pairing for weak attraction, we calculate the critical temperature Tc and analyze possibilities of increasing the ratio of Tc to the Fermi energy. In the opposite limit, where a strong coupling leads to the formation of weakly bound quasi-2D dimers, we find that their Bose-Einstein condensate will be stable on a long time scale.

  • Received 10 December 2002

DOI:https://doi.org/10.1103/PhysRevA.67.031601

©2003 American Physical Society

Authors & Affiliations

D. S. Petrov1,2, M. A. Baranov2,3, and G. V. Shlyapnikov1,2,4

  • 1FOM Institute for Atomic and Molecular Physics, Kruislaan 407, 1098 SJ Amsterdam, The Netherlands
  • 2Russian Research Center Kurchatov Institute, Kurchatov Square, 123182 Moscow, Russia
  • 3Institut für Theoretische Physik, Universität Hannover, D-30167 Hannover, Germany
  • 4Laboratoire Kastler Brossel, 24 rue Lhomond, F-75231 Paris Cedex 05, France

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Issue

Vol. 67, Iss. 3 — March 2003

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