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Correlated trapped bosons and the many-body Efimov effect
O Sørensen1, D V Fedorov, A S Jensen
1Department of Physics and Astronomy, University of Aarhus, DK-8000 Aarhus C, Denmark.
Physical Review Letters
|October 26, 2002
Abstract:
We study two-body correlations in systems of identical bosons. We use a Faddeev type of decomposition of the wave function where all pairs of particles are treated equally. At large scattering length appears a series of Efimov-like states, i.e., spatially extended, model-independent many-body bound states inside the trap. They may play a role in the decay of Bose-Einstein condensates.