Efimov Physics in Cold Atoms

Details Efimov Physics in Cold Atoms Efimov Physics in Cold Atoms

2006-12-05

arxiv.org/abs/cond-mat/0612123v1

AnnalsPhys.322:120-163,2007

Physics

Condensed Matter

Other Condensed Matter

57 pages, 13 figures, to appear in Annals of Physics

Scientific paper

10.1016/j.aop.2006.10.011

Atoms with a large scattering length have universal low-energy properties that do not depend on the details of their structure or their interactions at short distances. In the 2-atom sector, the universal properties are familiar and depend only on the scattering length. In the 3-atom sector for identical bosons, the universal properties include the existence of a sequence of shallow triatomic molecules called Efimov trimers and log-periodic dependence of scattering observables on the energy and the scattering length. In this review, we summarize the universal results that are currently known. We also summarize the experimental information that is currently available with an emphasis on 3-atom loss processes.

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