Heidelberg 2015 – wissenschaftliches Programm
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Q: Fachverband Quantenoptik und Photonik
Q 20: Quantum Gases: Bosons III
Q 20.3: Vortrag
Dienstag, 24. März 2015, 11:30–11:45, P/H2
Design and geometry dependence of effective Hamiltonians in driven lattices — •Albert Verdeny1,2 and Florian Mintert1,2 — 1Department of Physics, Imperial College London, London SW7 2AZ, United Kingdom — 2Freiburg Institute for Advanced Studies, Albert-Ludwigs-Universität, 79104 Freiburg, Germany
Driven lattices permit to engineer effective Hamiltonians with well-controllable tunneling properties. We discuss the design of such effective Hamiltonians and identify fundamental constraints imposed by the underlying lattice geometry. With the specific example of a hexagonal lattice we show how suitably chosen driving forces overcome limitations of monochromatic driving and permit to realize systems with non-trivial topological properties.