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Density and stability in ultracold dilute boson-fermion mixtures

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  • S. Röthel
  • A. Pelster

Abstract

We analyze in detail recent experiments on ultracold dilute 87 Rb– 40 K mixtures in Hamburg and in Florence within a mean-field theory. To this end we determine how the stationary bosonic and fermionic density profiles in this mixture depend in the Thomas-Fermi limit on the respective particle numbers. Furthermore, we investigate how the observed stability of the Bose-Fermi mixture with respect to collapse is crucially related to the value of the interspecies s-wave scattering length. Copyright EDP Sciences/Società Italiana di Fisica/Springer-Verlag 2007

Suggested Citation

  • S. Röthel & A. Pelster, 2007. "Density and stability in ultracold dilute boson-fermion mixtures," The European Physical Journal B: Condensed Matter and Complex Systems, Springer;EDP Sciences, vol. 59(3), pages 343-356, October.
    • Handle: RePEc:spr:eurphb:v:59:y:2007:i:3:p:343-356
    DOI: 10.1140/epjb/e2007-00288-x
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