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Wille E, Spiegelhalder FM, Kerner G, et al. Exploring an ultracold fermi-fermi mixture: interspecies feshbach resonances and scattering properties of 6Li and 40K. Phys Rev Lett. 2008;100(5):053201doi: 10.1103/PhysRevLett.100.053201.
Wille, E., Spiegelhalder, F. M., Kerner, G., Naik, D., Trenkwalder, A., Hendl, G., Schreck, F., Grimm, R., Tiecke, T. G., Walraven, J. T., Kokkelmans, S. J., Tiesinga, E., & Julienne, P. S. (2008). Exploring an ultracold fermi-fermi mixture: interspecies feshbach resonances and scattering properties of 6Li and 40K. Physical review letters, 100(5), 053201. https://doi.org/10.1103/PhysRevLett.100.053201
Wille, E, et al. "Exploring an ultracold fermi-fermi mixture: interspecies feshbach resonances and scattering properties of 6Li and 40K." Physical review letters vol. 100,5 (2008): 053201. doi: https://doi.org/10.1103/PhysRevLett.100.053201
Wille E, Spiegelhalder FM, Kerner G, Naik D, Trenkwalder A, Hendl G, Schreck F, Grimm R, Tiecke TG, Walraven JT, Kokkelmans SJ, Tiesinga E, Julienne PS. Exploring an ultracold fermi-fermi mixture: interspecies feshbach resonances and scattering properties of 6Li and 40K. Phys Rev Lett. 2008 Feb 08;100(5):053201. doi: 10.1103/PhysRevLett.100.053201. Epub 2008 Feb 05. PMID: 18352370.
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Phys Rev Lett. 2008 Feb 08;100(5):053201. doi: 10.1103/PhysRevLett.100.053201. Epub 2008 Feb 05.

Exploring an ultracold fermi-fermi mixture: interspecies feshbach resonances and scattering properties of 6Li and 40K.

Physical review letters

E Wille, F M Spiegelhalder, G Kerner, D Naik, A Trenkwalder, G Hendl, F Schreck, R Grimm, T G Tiecke, J T M Walraven, S J J M F Kokkelmans, E Tiesinga, P S Julienne

Affiliations

  1. Institut für Quantenoptik und Quanteninformation, Osterreichische Akademie der Wissenschaften, 6020 Innsbruck, Austria.

PMID: 18352370 DOI: 10.1103/PhysRevLett.100.053201

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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