Study of Efimov physics in two nuclear-spin sublevels of 7Li

N. Gross, Z. Shotan, O. Machtey, S.J.J.M.F. Kokkelmans, L. Khaykovich

Research output: Contribution to journalArticleAcademicpeer-review

41 Citations (Scopus)

Abstract

Efimov physics in two nuclear-spin sublevels of bosonic lithium is studied and it is shown that the positions and widths of recombination minima and Efimov resonances are identical for both states within the experimental errors, which indicate that the shortrange physics is nuclear-spin independent. We also find that the Efimov features are universally related across Feshbach resonances. These results crucially depend on careful mapping between the scattering length and the applied magnetic field which we achieve by characterization of the two broad Feshbach resonances in the different states by means of rf-spectroscopy of weakly bound molecules. By fitting the binding energies numerically with a coupled channels calculation we precisely determine the absolute positions of the Feshbach resonances and the values of the singlet and triplet scattering lengths.
Original languageEnglish
Pages (from-to)4-12
Number of pages9
JournalComptes Rendus Physique
Volume12
Issue number1
DOIs
Publication statusPublished - 2011

Fingerprint

Dive into the research topics of 'Study of Efimov physics in two nuclear-spin sublevels of 7Li'. Together they form a unique fingerprint.

Cite this