Hanbury Brown-Twiss and higher order correlations in ultracold atomic clouds of metastable Helium
Trapped ultracold gases of metastable helium atoms provide a unique experimental system. The high internal energy enables electronic detection of single atoms. This thesis presents a number of experimental studies using metastable helium. Ionization rates in a mixture of metastable helium and rubidium were measured. Spin polarisation of the system has been shown to result in suppression of Penning ionization of rubidium by metastable helium atoms, suppressed by at least a hundred fold. This...[Show more]
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