Ultracold Heteronuclear Three-Body Systems: How Diabaticity Limits the 
Universality of Recombination into Shallow Dimers

Giannakeas, Panagiotis; Greene, Chris H.

doi:10.1103/PhysRevLett.120.023401

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Ultracold Heteronuclear Three-Body Systems: How Diabaticity Limits the Universality of Recombination into Shallow Dimers

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Giannakeas, Panagiotis
Max Planck Institute for the Physics of Complex Systems, Max Planck Society;

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https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.120.023401
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Citation

Giannakeas, P., & Greene, C. H. (2018). Ultracold Heteronuclear Three-Body Systems: How Diabaticity Limits the Universality of Recombination into Shallow Dimers. Physical Review Letters, 120(2): 023401. doi:10.1103/PhysRevLett.120.023401.

Cite as: https://hdl.handle.net/21.11116/0000-0000-C9CF-5

Abstract

The mass-imbalanced three-body recombination process that forms a shallow dimer is shown to possess a rich Efimov-Stuckelberg landscape, with corresponding spectra that differ fundamentally from the homonuclear case. A semianalytical treatment of the three-body recombination predicts unusual spectra with intertwined resonance peaks and minima and yields in-depth insight into the behavior of the corresponding Efimov spectra. In particular, the patterns of the Efimov-Stuckelberg landscape are shown to depend inherently on the degree of diabaticity of the three-body collisions, which strongly affects the universality of the heteronuclear Efimov states.