Evidence for Efimov quantum states in an ultracold gas of caesium atoms.
Kraemer T, Mark M, Waldburger P, Danzl JG, Chin C, Engeser B, Lange AD, Pilch K, Jaakkola A, Nägerl HC, Grimm R.
Kraemer T, et al. Among authors: grimm r.
Nature. 2006 Mar 16;440(7082):315-8. doi: 10.1038/nature04626.
Nature. 2006.
PMID: 16541068