Long-Lived Ultracold Molecules with Electric and Magnetic Dipole Moments

We create fermionic dipolar ^{23}Na^{6}Li molecules in their triplet ground state from an ultracold mixture of ^{23}Na and ^{6}Li. Using magnetoassociation across a narrow Feshbach resonance followed by a two-photon stimulated Raman adiabatic passage to the triplet ground state, we produce 3×10^{4}...

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Bibliographic Details
Published in:Physical review letters 2017-10, Vol.119 (14), p.143001-143001, Article 143001
Main Authors: Rvachov, Timur M, Son, Hyungmok, Sommer, Ariel T, Ebadi, Sepehr, Park, Juliana J, Zwierlein, Martin W, Ketterle, Wolfgang, Jamison, Alan O
Format: Article
Language:English
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Summary:We create fermionic dipolar ^{23}Na^{6}Li molecules in their triplet ground state from an ultracold mixture of ^{23}Na and ^{6}Li. Using magnetoassociation across a narrow Feshbach resonance followed by a two-photon stimulated Raman adiabatic passage to the triplet ground state, we produce 3×10^{4} ground state molecules in a spin-polarized state. We observe a lifetime of 4.6 s in an isolated molecular sample, approaching the p-wave universal rate limit. Electron spin resonance spectroscopy of the triplet state was used to determine the hyperfine structure of this previously unobserved molecular state.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.119.143001