Cartoon showing three ultracold atoms with unequal masses recombining into a shallow dimer plus a recoiling atom via a metastable Efimov trimer state.
From the article:
Ultracold Heteronuclear Three-Body Systems: How Diabaticity Limits the Universality of Recombination into Shallow DimersP. Giannakeas and Chris H. Greene
Phys. Rev. Lett. 120, 023401 (2018)
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