Observation of an Efimov resonance in an ultracold mixture of atoms and weakly bound dimers - Condensed Matter > Quantum GasesReport as inadecuate




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Abstract: We discuss our recent observation of an atom-dimer Efimov resonance in anultracold mixture of Cs atoms and Cs 2 Feshbach molecules Nature Phys. 5, 2272009. We review our experimental procedure and present additional datainvolving a non-universal g-wave dimer state, to contrast our previous resultson the universal s-wave dimer. We resolve a seeming discrepancy whenquantitatively comparing our experimental findings with theoretical resultsfrom effective field theory.



Author: S. Knoop, F. Ferlaino, M. Berninger, M. Mark, H.-C. Nägerl, R. Grimm

Source: https://arxiv.org/



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