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Towards a Continuous Atom Laser and Ultracold RbSr: A Steady-state Sr
Sample Close to Quantum Degeneracy & Rb-Sr Magnetic Feshbach Resonances
Speaker Prof. Florian Schrek, University of Amsterdam
Date 4 January 2018 (Thursday)
Time 15:00 - 16:30
Venue Lecture Theatre H (Lifts 25-26), HKUST

Ultracold atoms are useful for precision measurement and the study of quantum many-body physics. We pursue two experiments contributing to these research lines. The first experiment attempts to create a continuous atom laser, exploiting the availability of broad and narrow laser cooling transitions in Sr. I’ll discuss our strategy and show how we create a steady-state Sr sample close to quantum degeneracy as intermediate step towards our goal. The second experiment pursues the creation of ultracold RbSr ground-state molecules, which have interesting properties for designing many-body systems. I’ll discuss magnetic Feshbach resonances in Rb-Sr mixtures, which exist despite the lack of an electronic magnetic moment in Sr and which are promising for magneto-association of weakly-bound RbSr molecules.