Dipolar oscillations in a quantum degenerate Fermi-Bose atomic mixture

Details Dipolar oscillations in a quantum degenerate Fermi-Bose atomic mixture Dipolar oscillations in a quantum degenerate Fermi-Bose atomic mixture

2002-11-04

arxiv.org/abs/cond-mat/0211051v1

J. Opt. B: Quantum Semiclass. Opt. 5 No 2 (April 2003) S3-S8

Physics

Condensed Matter

Soft Condensed Matter

13 pages, 6 figures. Sudmitted to the Journal of Optics B special issue on the 7th International Workshop on Atom Optics and I

Scientific paper

We study the dynamics of coupled dipolar oscillations in a Fermi-Bose mixture of $^{40}$K and $^{87}$Rb atoms. This low-energy collective mode is strongly affected by the interspecies interactions. Measurements are performed in the dynamical and quantum degenerate regimes and evidence the crucial role of the statistical properties of the mixture. At the onset of quantum degeneracy, we investigate the role of Pauli blocking and superfluidity for K and Rb atoms, respectively, resulting in a change in the collisional interactions.

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