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Strongly interacting isotopic Bose-Fermi mixture immersed in a Fermi sea

Author(s)
Wu, Cheng-Hsun; Santiago, Ibon; Park, Jee Woo; Ahmadi, Peyman; Zwierlein, Martin Wolfram
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Abstract
We have created a triply quantum-degenerate mixture of bosonic [superscript 41]K and two fermionic species [superscript 40]K and [superscript 6]Li. The boson is shown to be an efficient coolant for the two fermions, spurring hopes for the observation of fermionic superfluids with imbalanced masses. We observe multiple heteronuclear Feshbach resonances, in particular a wide s-wave resonance for the combination [superscript 41]K-[superscript 40]K, opening up studies of strongly interacting isotopic Bose-Fermi mixtures. For large imbalance in the local densities of different species, we enter the polaronic regime of dressed impurities immersed in a bosonic or fermionic bath.
Date issued
2011-07
URI
http://hdl.handle.net/1721.1/67348
Department
Massachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Research Laboratory of Electronics; MIT-Harvard Center for Ultracold Atoms
Journal
Physical Review A
Publisher
American Physical Society
Citation
Wu, Cheng-Hsun et al. “Strongly interacting isotopic Bose-Fermi mixture immersed in a Fermi sea.” Physical Review A 84 (2011): n. pag. Web. 2 Dec. 2011. © 2011 American Physical Society
Version: Final published version
ISSN
1050-2947
1094-1622

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