Resonant dynamics in boson-fermion mixtures
Abstract
The time evolution of a dilute atomic boson-fermion mixture is studied at zero temperature, when the external magnetic field is brought close to a interspecies Feshbach resonance. On short time scales we find that before a collapse or phase separation of the mixture can occur, oscillations between fermionic atoms and heteronuclear molecules dominate the dynamics. Applying the model presented here to a trapped mixture of 40K-87Rb atoms, we find that the predicted oscillations can be revealed in degenerate mixtures of these atoms.
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