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Molecules of fermionic atoms in an optical lattice
Authors:Stöferle Thilo  Moritz Henning  Günter Kenneth  Köhl Michael  Esslinger Tilman
Affiliation:Institute of Quantum Electronics, ETH Zürich, H?nggerberg, CH-8093 Zürich, Switzerland.
Abstract:We create molecules from fermionic atoms in a three-dimensional optical lattice using a Feshbach resonance. In the limit of low tunneling, the individual wells can be regarded as independent three-dimensional harmonic oscillators. The measured binding energies for varying scattering length agree excellently with the theoretical prediction for two interacting atoms in a harmonic oscillator. We demonstrate that the formation of molecules can be used to measure the occupancy of the lattice and perform thermometry.
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