Issue
EPL
Volume 86, Number 6, June 2009
Article Number 66006
Number of page(s) 4
Section Condensed Matter: Structural, Mechanical and Thermal Properties
DOI http://dx.doi.org/10.1209/0295-5075/86/66006
Published online 13 July 2009
EPL, 86 (2009) 66006
DOI: 10.1209/0295-5075/86/66006

Efimov states with strong three-body losses

F. 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

werner@physics.umass.edu

received 19 November 2008; accepted in final form 9 June 2009; published June 2009
published online 13 July 2009

Abstract
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.

PACS
67.85.-d - Ultracold gases, trapped gases.
21.45.-v - Few-body systems.

© EPLA 2009