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Degenerate atom-molecule mixture in a cold Fermi gas

S. J. J. M. F. Kokkelmans, G. V. Shlyapnikov, and C. Salomon
Phys. Rev. A 69, 031602(R) – Published 23 March 2004

Abstract

We show that the atom-molecule mixture formed in a degenerate atomic Fermi gas with interspecies repulsion near a Feshbach resonance constitutes a peculiar system where the atomic component is almost nondegenerate but quantum degeneracy of molecules is important. We develop a thermodynamic approach for studying this mixture, explain experimental observations, and predict optimal conditions for achieving molecular Bose-Einstein condensation.

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  • Received 15 October 2003

DOI:https://doi.org/10.1103/PhysRevA.69.031602

©2004 American Physical Society

Authors & Affiliations

S. J. J. M. F. Kokkelmans1, G. V. Shlyapnikov1,2,3,*, and C. Salomon1

  • 1Laboratoire Kastler Brossel, Ecole Normale Supérieure, 24 rue Lhomond, 75231 Paris 05, France
  • 2FOM Institute AMOLF, Kruislaan 407, 1098 SJ Amsterdam, The Netherlands
  • 3Russian Research Center Kurchatov Institute, Kurchatov Square, 123182 Moscow, Russia

  • *Present address: Laboratoire Physique Théorique et Modèles Statistique, Université Paris Sud, Bât. 100, 91405 Orsay Cedex, France, and van der Waals-Zeeman Institute, University of Amsterdam, 1018 XE Amsterdam, The Netherlands.

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Issue

Vol. 69, Iss. 3 — March 2004

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