Efimov States in a Bose-Einstein Condensate near a Feshbach Resonance

Abstract

Recent experiments with Bose-Einstein condensates of 85Rb atoms near a Feshbach resonance have produced evidence for a condensate of diatomic molecules coexisting with the atom condensate. It should also be possible to create condensates of the triatomic molecules predicted by Efimov coexisting with the atom and dimer condensates. The smoking gun for the trimer condensate would be oscillatory dependence of observables on the binding energy of the trimer. It may also be possible to deduce the existence of the trimer condensate from the spectra of the bursts of atoms and dimers created in the disappearance of the trimers.

4 pages, revtex4, 2 ps figures, typos corrected, references updated

References in corpus (8)

• Atom--Molecule Coherence in a Bose-Einstein Condensate
• Controlled Collapse of a Bose-Einstein Condensate
• Three-body recombination into deep bound states in a Bose gas with large scattering length
• Ramsey fringes in a Bose-Einstein condensate between atoms and molecules
• Microscopic Dynamics in a Strongly Interacting Bose-Einstein Condensate
• Universality in the Three-Body Problem for 4He Atoms
• Universal Equation for Efimov States
• Existence and stability of atomic-molecular Bose-Einstein condensates

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• Four-boson scale near a Feshbach resonance
• The three-body problem with short-range forces: renormalized equations and regulator-independent results
• Triatomic continuum resonances for large negative scattering lengths
• On the limit cycle for the 1/r^2 potential in momentum space
• Universality, marginal operators, and limit cycles
• Log-periodic behavior of finite size effects in field theories with RG limit cycles
• Renormalization in conformal quantum mechanics
• Coherent atom-trimer conversion in a repulsive Bose-Einstein condensate
• Trajectory of neutron$-$neutron${-}^{18}C$ excited three-body state
• Bose-Einstein condensation of Efimovian triples in the unitary Bose gas
• Neutron${-}^{19}$C scattering near an Efimov state
• Calculation of three-body resonances using slow-variable discretization coupled with complex absorbing potential
• Efimov States of Strongly Interacting Photons
• Manifestations of the Efimov Effect for Three Identical Bosons
• The Riemann zeros and the cyclic Renormalization Group
• Limit cycles of effective theories
• Faraday waves in BEC with engineering three-body interactions
• The elementary excitations of the exactly solvable Russian doll BCS model of superconductivity
• Tuning a magnetic Feshbach resonance with spatially modulated laser light
• Mass Ratio Dependence of Three-Body Resonance Lifetimes in 1D and 3D
• The three-body recombination of a condensed Bose gas near a Feshbach resonance
• Universality in the physics of cold atoms with large scattering length
• Stabilization of three-body resonances to bound states in a continuum