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Topology in condensed matter physics refers to global properties of a system’s quantum states that remain stable under continuous deformations, like stretching or bending — but not tearing. Unlike conventional phases of matter, topological phases are protected by more abstract, global properties, such as Chern numbers...

Optical lattices are power quantum simulators with many applications in e.g. strongly-correlated and topological systems. However, up to now, they were limited in programmability since typically all tunnelling links were of the same strength. In this new paper, we show theoretically how local control over individual...