Efimov states with strong three-body lossesF. Werner1, 2
1 Present address: Department of Physics, University of Massachusetts - Amherst, MA 01003, USA;
2 Laboratoire Kastler Brossel, École Normale Supérieure, Université Pierre et Marie Curie-Paris 6, CNRS 24 rue Lhomond, 75231 Paris Cedex 05, France
received 19 November 2008; accepted in final form 9 June 2009; published June 2009
published online 13 July 2009
We determine analytically how Efimov trimer states are modified by three-body losses within the model of Braaten and Hammer. We find a regime where the energies approach the positive real axis and the decay rates vanish.
67.85.-d - Ultracold gases, trapped gases.
21.45.-v - Few-body systems.
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