Stable and unstable regimes in Bose-Fermi mixtures with attraction between components
Journal Article
·
· Physical Review. A
- Institute for High Pressure Physics, Russian Academy of Sciences, Troitsk 142190, Moscow Region (Russian Federation)
The collapse of a trapped boson-fermion mixture with attraction between bosons and fermions is investigated in the framework of the effective Hamiltonian for the Bose system. The properties of an {sup 87}Rb and {sup 40}K mixture are analyzed quantitatively at T=0. We find numerically solutions of the modified Gross-Pitaevskii equation which continuously go from the stable to the unstable branch. We discuss how the conditions for the onset of collapse are related to the macroscopic properties of the system. A comparison with the case of a Bose condensate of the atomic {sup 7}Li system is given.
- OSTI ID:
- 21011278
- Journal Information:
- Physical Review. A, Journal Name: Physical Review. A Journal Issue: 1 Vol. 76; ISSN 1050-2947; ISSN PLRAAN
- Country of Publication:
- United States
- Language:
- English
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