Ultracold Fermion Cooling Cycle using Heteronuclear Feshbach Resonances
arXiv:cond-mat/0408328 · doi:10.1088/1367-2630/7/1/087
Abstract
We consider an ideal gas of Bose and Fermi atoms in a harmonic trap, with a Feshbach resonance in the interspecies atomic scattering that can lead to formation of fermionic molecules. We map out the phase diagram for this three-component mixture in chemical and thermal equilibrium. Considering adiabatic association and dissociation of the molecules, we identify a possible cooling cycle, which in ideal circumstances can yield an exponential increase of the phase-space density.
arXiv comment4 pages, 4 embedded figures
References in corpus (33)
- Formation and Propagation of Matter Wave Soliton Trains
- Observation of resonance condensation of fermionic atom pairs
- Formation of a Matter-Wave Bright Soliton
- Condensation of Pairs of Fermionic Atoms Near a Feshbach Resonance
- Observation of a Strongly-Interacting Degenerate Fermi Gas of Atoms
- Observation of Bose-Einstein Condensation of Molecules
- Stable 85Rb Bose-Einstein Condensates with Widely Tunable Interactions
- Experimental Study of the BEC-BCS Crossover Region in Lithium 6
- Creation of ultracold molecules from a Fermi gas of atoms
- Evidence for Superfluidity in a Resonantly Interacting Fermi Gas
- Atom--Molecule Coherence in a Bose-Einstein Condensate
- Collective excitations of a degenerate gas at the BEC-BCS crossover
- Conversion of an Atomic Fermi Gas to a Long-Lived Molecular Bose Gas
- Controlled Collapse of a Bose-Einstein Condensate
- Vortex Nucleation in a Stirred Bose-Einstein Condensate
- Production of Long-Lived Ultracold Li2 Molecules from a Fermi gas
- Pure Gas of Optically Trapped Molecules Created from Fermionic Atoms
- Observation of Heteronuclear Feshbach Resonances in a Bose-Fermi Mixture
- Observation of Feshbach resonances between two different atomic species
- Observation of molecules produced from a Bose-Einstein condensate
- Formation of Quantum-Degenerate Sodium Molecules
- Spectroscopic insensitivity to cold collisions in a two-state mixture of fermions
- Achieving a BCS transition in an atomic Fermi gas
- Microscopic Dynamics in a Strongly Interacting Bose-Einstein Condensate
- Component separation in harmonically trapped boson-fermion mixtures
- Formation of a molecular Bose-Einstein condensate and an entangled atomic gas by Feshbach resonance
- Phase diagrams for an ideal gas mixture of fermionic atoms and bosonic molecules
- Shortcut to a Fermi-Degenerate Gas of Molecules via Cooperative Association
- Resonant dynamics in boson-fermion mixtures
- Atomic Bose-Fermi mixed condensates with Boson-Fermion quasi-bound cluster states
- Atom-molecule equilibration in a degenerate Fermi gas with resonant interactions
- Bose-Fermi mixed condensates of atomic gas with Boson-Fermion quasi-bound state
- Endpoint thermodynamics of an atomic Fermi gas subject to a Feshbach resonance