Strongly interacting isotopic Bose-Fermi mixture immersed in a Fermi sea
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Wu-2011-Strongly interacting isotopic.pdf
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Author(s)
Wu, Cheng-Hsun
Santiago, Ibon
Park, Jee Woo
Ahmadi, Peyman
Zwierlein, Martin Wolfram
Date Issued
July 2011
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
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.
MIT Department
Massachusetts Institute of Technology. Department of Physics
Massachusetts Institute of Technology. Research Laboratory of Electronics
MIT-Harvard Center for Ultracold Atoms
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Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
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DOI of Published Version
https://doi.org/10.1103/PhysRevA.84.011601
