Heidelberg 2015 – scientific programme

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Q: Fachverband Quantenoptik und Photonik

Q 15: Poster: Quantum Optics and Photonics I

Q 15.16: Poster

Monday, March 23, 2015, 17:00–19:00, C/Foyer

Towards strongly interacting ultracold dimers in an optical two–dimensional square lattice — •Luca Bayha, Dhruv Kedar, Puneet Murthy, Mathias Neidig, Martin Ries, Andre Wenz, Gerhard Zürn, and Selim Jochim — Physikalisches Institut, Universität Heidelberg

We start from a strongly interacting superfluid of ⁶Li Feshbach-dimers in the quasi 2D regime. The goal is to load this system into an optical square lattice, produced by two laser beams which are retro-reflected under a small angle. One of the main experimental challenges are the very strong interactions. In the investigated regime the scattering length is on the order of the lattice period. Hence, the simple Bose-Hubbard model is expected to be modified. On this poster we summarize our current progress towards this goal.