Measurement of an Efimov trimer binding energy in a three-component mixture of 6Li

Abstract

The binding energy of an Efimov trimer state was precisely determined via radio-frequency association. It is found that the measurement results significantly shift with temperature, but that the shift can be made negligible at the lowest temperature in our experiment. The obtained trimer binding energy reveals a significant deviation from the nonuniversal theory prediction based on a three-body parameter with a monotonic energy dependence.

4 pages, 4 figures

References in corpus (13)

• Observation of an Efimov spectrum in an atomic system
• Collisional stability of a three-component degenerate Fermi gas
• Three-body recombination in a three-state Fermi gas with widely tunable interactions
• Observation of universality in ultracold 7Li three-body recombination
• Observation of an Efimov-like resonance in ultracold atom-dimer scattering
• Observation of heteronuclear atomic Efimov resonances
• Radio Frequency Association of Efimov Trimers
• Atom-Dimer Scattering in a Three-Component Fermi Gas
• Four-boson scale near a Feshbach resonance
• Critical Temperature and Condensate Fraction of a Fermion Pair Condensate
• The Efimov effect in lithium 6
• Efimov states embedded in the three-body continuum
• Efimov Physics in Atom-Dimer Scattering of Lithium-6 Atoms

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