Ultracold Atomic and Molecular Quantum Gases - a Big Playground

Dr Michael Mark

Institute for Experimental Physics, University of Innsbruck, Austria & Centre for Atom Optics and Ultrafast Spectroscopy, Swinburne University of Technology

3:30 pm Friday, 6 March 2009, EN101 (Ground Floor, EN Building), Hawthorn.

Cesium provides a very rich molecular energy structure. Various Feshbach resonances are available to tune atom-atom interactions and to efficiently produce ultracold dimer molecules. We have thoroughly explored the molecular quantum states below and above threshold using various techniques and realized a molecular interferometer. We are able to routinely prepare ultracold atom-dimer mixtures which in particular allow to investigate Efimov's prediction of the existence of universal trimer molecular states. In dimer-dimer collisional studies the research on four-body quantum systems is addressed.

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