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cond-mat.other2026
Occupancy Driven Phase Transitions in Gapped Systems
Ian Madden, Alex Kociubinski, Wouter Montfrooij
Systems characterized by an energy gap between the ground state and excited states support a growing number of thermal excitations upon raising the temperature. Provided these exci…
cond-mat.str-el2026
Breakdown of the periodic potential ansatz in correlated electron systems
Wouter Montfrooij
Our electronic structure theory for crystalline solids is commonly built on the periodic potential assumption for every lattice translation $\…