Collisional Stability of K-40 Immersed in a Strongly Interacting Fermi Gas of Li-6

Year: 2009

Authors: Spiegelhalder F. M., Trenkwalder A., Naik D., Hendl G., Schreck F., Grimm R.

Autors Affiliation: Institut für Quantenoptik und Quanteninformation, Österreichische Akademie der Wissenschaften, 6020 Innsbruck, Austria; Institut für Experimentalphysik und Zentrum für Quantenphysik, Universität Innsbruck, 6020 Innsbruck, Austria

Abstract: We investigate the collisional stability of a sample of K-40 atoms immersed in a tunable spin mixture of Li-6 atoms. In this three-component Fermi-Fermi mixture, we find very low loss rates in a wide range of interactions as long as molecule formation of Li-6 is avoided. The stable fermionic mixture with two resonantly interacting spin states of one species together with another species is a promising system for a broad variety of phenomena in few- and many-body quantum physics.


Volume: 103 (22)      Pages from: 223203  to: 223203

More Information: We acknowledge support by the Austrian Science Fund (FWF) and the European Science Foundation (ESF) within the EuroQUAM/FerMix project and support by the FWF through the SFB FoQuS.
KeyWords: Fermi gas; Li6 atoms; Low loss; Many-body; Molecule formation; Quantum physics; Spin state; Three-component, Electron gas; Mixtures; Spin dynamics; System stability, Fermions
DOI: 10.1103/PhysRevLett.103.223203

Citations: 81
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