University of Birmingham > Talks@bham > Physics and Astronomy Colloquia > Atom-by-atom engineering of novel quantum states of matter

Atom-by-atom engineering of novel quantum states of matter

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The field of quantum simulators has fleurished enormously during the last decades, especially in the areas of nanophotonics and ultracold atoms. Electronic quantum simulators, however, have not seen much progress. Based on a technique pioneered by the group of Manoharan for simulating graphene, we show here how to design and characterize a Lieb lattice [1] and a Sierpinski gasket [2]. Then, we explain how to modify their design to control the orbital degree of freedom. Further tuning of the honeycomb geometry leads to the emergence of topological edge states. In all cases, we observe an excellent agreement between the theoretical predictions and the experimental results. This technique is proving itself to be a very versatile framework for the engineering and control of electronic systems, and is widening the perspectives in the field.

This talk is part of the Physics and Astronomy Colloquia series.

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