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Séminaire Théorie : vendredi 12 juillet 2024 à 11h00

Bastien Lapierre (Princeton University)

Titre : Topology of ultra-localized insulators

LPMMC, Salle G421


Résumé : In this talk, I will argue that the topology of an insulator can be defined even when all eigenstates of the system are localized — an extreme case of Anderson insulators that we call ultra-localized. I will describe their bulk-boundary correspondence and show that ultra-localized systems are in many instances phases of matter not described by the known classification of topological insulators.