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This colloquium talk by Andrei Bernevig from Princeton University provides a comprehensive overview of moiré systems, from their experimental and theoretical beginnings to current developments. Explore how two-dimensional periodic crystals can be twisted relative to each other to create new moiré periodicities, resulting in unit cells containing thousands of atoms that exhibit counterintuitive behaviors. Learn about the revolutionary potential of these systems for both fundamental physics and practical applications. Discover how controlled twisting of graphene and MoTe2 layers has produced states of matter impossible in conventional bulk materials, including how thousands of p orbitals in a graphene moiré unit cell can create single heavy fermions at moiré scale, effectively simulating an Anderson model. Examine a catalogue of twistable materials and understand how various strongly interacting models can be realized through twisted homo and hetero bilayers and multilayers.
