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Magnetic trapping of a cold Rb–Cs atomic mixture
Journal of Physics B: Atomic, Molecular and Optical Physics
We present an apparatus for the study of an ultracold gaseous atomic mixture of 133Cs and 87Rb. The mixture is prepared using a double magneto-optical trap (MOT) system in which a two-species pyramid MOT acts as a source of cold atoms for a 'science' MOT. Measurements of the interspecies trap loss rate coefficients beta_RbCs and beta_CsRb in the science MOT are reported. After the initial MOT phase, atoms in the mixture are optically pumped into the magnetically trappable |F=3,m_F=-3> anddoi:10.1088/0953-4075/41/3/035303 fatcat:hoipiu3bpjcmtmgsbne6xwqju4