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Experimental realisation of the topological Haldane model
Gregor Jotzu, Michael Messer, Rémi Desbuquois +4
The Haldane model on the honeycomb lattice is a paradigmatic example of a Hamiltonian featuring topologically distinct phases of matter. It describes a mechanism through which a qu…
Optical transport and manipulation of an ultracold atomic cloud using focus-tunable lenses
Julian Léonard, Moonjoo Lee, Andrea Morales +3
We present an optical setup with focus-tunable lenses to dynamically control the waist and focus position of a laser beam, in which we transport a trapped ultracold cloud of 87-Rb…
Observation of Quantized Conductance in Neutral Matter
Sebastian Krinner, David Stadler, Dominik Husmann +2
In transport experiments the quantum nature of matter becomes directly evident when changes in conductance occur only in discrete steps, with a size determined solely by Planck's c…