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40 papers
Reshaped Three-Body Interactions and the Observation of an Efimov State in the Continuum
Yaakov Yudkin, Roy Elbaz, José P. D'Incao +2
Efimov trimers are exotic three-body quantum states that emerge from the different types of three-body continua in the vicinity of two-atom Feshbach resonances. In particular, as t…
Loosely Bound Few-Body States in a Spin-1 Gas with Near-Degenerate Continua
Yaakov Yudkin, Paul S. Julienne, Lev Khaykovich
A distinguishing feature of ultracold collisions of bosonic lithium atoms is the presence of two near-degenerate two-body continua. The influence of such a near-degeneracy on the f…
Observation of coherent oscillations in association of dimers from a thermal gas of ultracold atoms
Roy Elbaz, Yaakov Yudkin, P. Giannakeas +3
We report the observation of coherent oscillations in conversion efficiency of weakly-bound dimers formed from a thermal gas of ultracold atoms. Finite thermal energy of the gas ca…
Efimov resonance position near a narrow Feshbach resonance in Li-Cs mixture
Ang Li, Yaakov Yudkin, Paul S. Julienne +1
In the vicinity of a narrow Feshbach resonances Efimov features are expected to be characterized by the resonance's properties rather than the van der Waals length of the interatom…
Efimov scenario for overlapping narrow Feshbach resonances
Yaakov Yudkin, Lev Khaykovich
While Efimov physics in ultracold atoms is usually modeled with an isolated Feshbach resonance many real world resonances appear in close vicinity to each other and are therefore o…
Efimov energy level rebounding off the atom-dimer continuum
Yaakov Yudkin, Roy Elbaz, Lev Khaykovich
The Efimov effect, with its ladder of weakly bound three-atomic molecules, poses intriguing questions in the theoretically controversial and experimentally demanding regime of merg…