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Long-Lived Ultracold Molecules with Electric and Magnetic Dipole Moments

Timur M. Rvachov, Hyungmok Son, Ariel T. Sommer, Sepehr Ebadi, Juliana J. Park, Martin W. Zwierlein, Wolfgang Ketterle, and Alan O. Jamison
Phys. Rev. Lett. 119, 143001 – Published 2 October 2017
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Abstract

We create fermionic dipolar Na23Li6 molecules in their triplet ground state from an ultracold mixture of Na23 and Li6. Using magnetoassociation across a narrow Feshbach resonance followed by a two-photon stimulated Raman adiabatic passage to the triplet ground state, we produce 3×104 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.

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  • Received 12 July 2017

DOI:https://doi.org/10.1103/PhysRevLett.119.143001

© 2017 American Physical Society

Physics Subject Headings (PhySH)

Atomic, Molecular & Optical

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A New Spin on Ultracold Molecules

Published 2 October 2017

The creation of ultracold molecules that have both an electric and a magnetic dipole moment offers new ways to explore physics in the many-body quantum regime.

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Authors & Affiliations

Timur M. Rvachov1, Hyungmok Son1,2, Ariel T. Sommer1, Sepehr Ebadi1,3, Juliana J. Park1, Martin W. Zwierlein1, Wolfgang Ketterle1, and Alan O. Jamison1

  • 1Research Laboratory of Electronics, MIT-Harvard Center for Ultracold Atoms, Department of Physics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
  • 2Department of Physics, Harvard University, Cambridge, Massachusetts 02138, USA
  • 3Department of Physics, University of Toronto, Toronto, Ontario M5S 1A7, Canada

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Issue

Vol. 119, Iss. 14 — 6 October 2017

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