Observation of magnetically tunable Feshbach resonances in ultracold 23 Na 40 K + 40 K collisions

Author:

Yang Huan12ORCID,Zhang De-Chao12ORCID,Liu Lan12ORCID,Liu Ya-Xiong12ORCID,Nan Jue12,Zhao Bo12ORCID,Pan Jian-Wei12ORCID

Affiliation:

1. Hefei National Laboratory for Physical Sciences at Microscale and Department of Modern Physics, University of Science and Technology of China, Hefei, Anhui 230026, China.

2. Shanghai Branch, CAS Center for Excellence and Synergetic Innovation Center in Quantum Information and Quantum Physics, University of Science and Technology of China, Shanghai 201315, China.

Abstract

Brief get-togethers between NaK and K Cooling molecules to nanokelvin temperatures places them under the tightest quantum mechanical constraints. Studies in this intriguing regime have been limited to diatomics: Two cold atoms can be lured together into weakly associated Feshbach resonances, which lasers can then shift into a more stable molecular state. Yang et al. now report the observation of triatomic Feshbach resonances in ultracold collisions between potassium (K) atoms and sodium potassium (NaK) diatomics. The findings potentially set the stage for the preparation and study of ultracold triatomic molecules. Science , this issue p. 261

Funder

National Natural Science Foundation of China

National Key R&D Program of China

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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