Hannover 2016 – wissenschaftliches Programm
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Q: Fachverband Quantenoptik und Photonik
Q 27: Poster: Quantum Optics and Photonics II
Q 27.6: Poster
Dienstag, 1. März 2016, 16:30–19:00, Empore Lichthof
Heating rates of interacting Bosons in shaken optical lattices — Jakob Näger1,2, •Martin Reitter1,2, Lucia Duca1,2, Tracy Li1,2, Monika Schleier-Smith4, Immanuel Bloch1,2, and Ulrich Schneider3 — 1Ludwig-Maximilians-Universität München, Schellingstr. 4, 80687 München — 2Max-Planck-Institut für Quantenoptik, Hans-Kopfermann-Strasse 1, 85748 Garching — 3University of Cambridge, Cambridge, UK — 4Stanford University, Stanford, CA 94305, Vereinigte Staaten
Periodically driven systems have been successfully used to implement topological band structures with non-zero Chern numbers for non-interacting neutral particles. The extent to which the engineered topological properties survive in the presence of interactions, and which many-body phases result, remains however a largely open question. In order to experimentally control the interactions, and to study the resulting many-body physics, we prepare a BEC of 39K which has an accessible Feshbach resonance. By tuning the interactions as well as the driving strengths and frequencies, we can systematically explore the non-equilibrium dynamics in a shaken 1D lattice as well as in a shaken honeycomb lattice. We will present the current status as well as future prospects of the experiment.