Scattering properties of weakly bound dimers of fermionic atoms

D. S. Petrov, C. Salomon, and G. V. Shlyapnikov
Phys. Rev. A 71, 012708 – Published 14 January 2005

Abstract

We consider weakly bound diatomic molecules (dimers) formed in a two-component atomic Fermi gas with a large positive scattering length for the interspecies interaction. We develop a theoretical approach for calculating atom-dimer and dimer-dimer elastic scattering and for analyzing the inelastic collisional relaxation of the molecules into deep bound states. This approach is based on the single-channel zero-range approximation, and we find that it is applicable in the vicinity of a wide two-body Feshbach resonance. Our results draw prospects for various interesting manipulations of weakly bound dimers of fermionic atoms.

  • Received 5 August 2004

DOI:https://doi.org/10.1103/PhysRevA.71.012708

©2005 American Physical Society

Authors & Affiliations

D. S. Petrov1,2,3, C. Salomon4, and G. V. Shlyapnikov2,3,5,6

  • 1ITAMP, Harvard-Smithsonian Center for Astrophysics, and Harvard-MIT Center for Ultracold Atoms, Department of Physics, Harvard University, Cambridge, Massachusetts 02138, USA
  • 2Kavli Institute for Theoretical Physics, University of California, Santa Barbara, California 93106-4030, USA
  • 3Russian Research Center Kurchatov Institute, Kurchatov Square, 123182 Moscow, Russia
  • 4Laboratoire Kastler-Brossel, Ecole Normale Supérieure, 24 rue Lhomond, 75005 Paris, France
  • 5Laboratoire Physique Théorique et Modèles Statistique, Université Paris Sud, Bâtiment 100, 91405 Orsay, France
  • 6Van der Waals–Zeeman Institute, University of Amsterdam, Valckenierstraat 65∕67, 1018 XE Amsterdam, The Netherlands

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Issue

Vol. 71, Iss. 1 — January 2005

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