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Floquet approach to lattice gauge theories with ultracold atoms in optical lattices
Christian Schweizer, Fabian Grusdt, Moritz Berngruber +5
Quantum simulation has the potential to investigate gauge theories in strongly-interacting regimes, which are up to now inaccessible through conventional numerical techniques. Here…
Topological charge pumping in the interacting bosonic Rice-Mele model
A. L. C. Hayward, C. Schweizer, M. Lohse +2
We investigate topological charge pumping in a system of interacting bosons in the tight-binding limit, described by the Rice-Mele model. An appropriate topological invariant for t…
Coupling ultracold matter to dynamical gauge fields in optical lattices: From flux-attachment to Z2 lattice gauge theories
Luca Barbiero, Christian Schweizer, Monika Aidelsburger +3
Artificial magnetic fields and spin-orbit couplings have been recently generated in ultracold gases in view of realizing topological states of matter and frustrated magnetism in a…
Exploring 4D Quantum Hall Physics with a 2D Topological Charge Pump
Michael Lohse, Christian Schweizer, Hannah M. Price +2
The discovery of topological states of matter has profoundly augmented our understanding of phase transitions in physical systems. Instead of local order parameters, topological ph…