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20232026
most citedHigher bracket structure of density operators in Weyl fermion systems and topological insulators

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cond-mat.mes-hall2026

Ideal Bands in Tight-Binding Models

Lexu Zhao, Yang Ge, Shinsei Ryu +1

A band is called ideal when its Dirichlet functional saturates the topological lower bound. We study ideal bands in finite-band tight-binding models with conventional two-dimension…