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We present plans for the use of a two-species, 2D-MOT as source of collimated, cold, isotopically-enriched, fermionic potassium-40. The 2D-MOT will also be used as a source of bosonic species: rubidium-87 and potassium-39 and -41. The output of the 2D-MOT will feed a 3D-MOT or optical-dipole trap for further evaporative cooling, to produce a mixture of degenerate bosons and degenerate fermions.
Doubly-degenerate mixtures of K and Rb are to be studied for interspecies interactions, Feshbach resonances, ideal Fermi-gas experiments, and for future interferometric experiments. We give some of the technical details of our experimental apparatus. |