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Phys. Rev. A 67, 063609 (2003) [6 pages]

Resonant dynamics in boson-fermion mixtures

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M. Wouters, J. Tempere*, and J. T. Devreese†
TFVS, Universiteit Antwerpen, Universiteitsplein 1, B2610 Antwerpen, Belgium

Received 31 January 2003; published 25 June 2003

The time evolution of a dilute atomic boson-fermion mixture is studied at zero temperature, when the external magnetic field is brought close to an 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.

© 2003 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevA.67.063609
DOI:
10.1103/PhysRevA.67.063609
PACS:
03.75.Kk, 05.30.Fk, 05.30.Jp, 32.80.Pj

*Also at Lyman Laboratory of Physics, Harvard University, Cambridge, Massachusetts 02138.

†Also at Universiteit Antwerpen (RUCA), Groenenborgerlaan 171, B-2020 Antwerpen, Belgium and Technische Universiteit Eindhoven, P. B. 513, 5600 MB Eindhoven, The Netherlands.

 
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