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Berlin 2014 – wissenschaftliches Programm

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Q: Fachverband Quantenoptik und Photonik

Q 57: Quantum gases: Lattices II

Q 57.3: Vortrag

Freitag, 21. März 2014, 11:00–11:15, UDL HS2002

Dynamical synthetic gauge fields using periodically modulated interactionsSebastian Greschner1, •Gaoyong Sun1, Dario Poletti2, and Luis Santos11Institut für Theoretische Physik, Leibniz Universität Hannover , Appelstr. 2, DE-30167 Hannover, Germany — 2Engineering Product Development, Singapore University of Technology and Design, 20 Dover Drive, 138682 Singapore

We show that dynamical synthetic gauge fields may be engineered using periodically modulated interactions. We discuss two scenarios in one-dimensional lattices where periodic interactions may realize a quantum Peierls phase. We discuss how this dynamical gauge field may be probed in stroboscopic measurements of the momentum distribution in time-of-flight experiments. These measurements will show a density-dependent shift of the momentum distribution, revealing as well the quantum character of the created Peierls phase.

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