Paper on bound-states published!

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Interaction-induced lattices for bound states: Designing flat bands, quantized pumps, and higher-order topological insulators for doublons

We show how two particles, interacting through nearest-neighbour interactions featuring a hardcore constraint, can provide a new framework by which flat-band localization, topological pumps and higher-order topological corner modes emerge from genuine interaction effects. Read more on Physical Review Research.