Heidelberg 2015 – wissenschaftliches Programm
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Q: Fachverband Quantenoptik und Photonik
Q 44: Quantum Gases: Miscellaneous
Q 44.5: Vortrag
Mittwoch, 25. März 2015, 15:45–16:00, P/H2
An ultracold ytterbium quantum gas in a state dependent lattice — •Moritz Höfer1,2, Christian Hofrichter1,2, Luis Riegger1,2, Francesco Scazza1,2, Diogo Rio Fernandes1,2, Immanuel Bloch1,2, and Simon Fölling1,2 — 1Ludwig-Maximilians-Universität, München, Deutschland — 2Max-Planck-Institut für Quantenoptik, Garching, Deutschland
Ytterbium atoms feature peculiar properties compared to alkali atoms such as the existence of a metastable excited state as well as a strong decoupling between the nuclear and the electronic spin in the ground state.
These metastable states have been proposed for the study of many-body systems such as Kondo physics. An important ingredient for such simulations is the ability to create localized and mobile atoms in the same optical lattice due to the different AC polarizabilities of the relevant electronic states.
Here we report on our implementation of a state dependent lattice for the two electronic configurations of bosonic and fermionic ytterbium, which can be used for preparing specific Hamiltonians as well as for tuning the dynamics of the system.