Exploring an ultracold fermi-fermi mixture: interspecies feshbach resonances and scattering properties of 6Li and 40K |
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| Authors: | Wille E Spiegelhalder F M Kerner G Naik D Trenkwalder A Hendl G Schreck F Grimm R Tiecke T G Walraven J T M Kokkelmans S J J M F Tiesinga E Julienne P S |
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| Institution: | Institut für Quantenoptik und Quanteninformation, Osterreichische Akademie der Wissenschaften, 6020 Innsbruck, Austria. |
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| Abstract: | We report on the observation of Feshbach resonances in an ultracold mixture of two fermionic species, (6)Li and (40)K. The experimental data are interpreted using a simple asymptotic bound state model and full coupled channels calculations. This unambiguously assigns the observed resonances in terms of various s- and p-wave molecular states and fully characterizes the ground-state scattering properties in any combination of spin states. |
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