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cond-mat.mes-hall2025
Wilson loop invariants and bulk-boundary correspondence in higher-order topological insulators with two anticommuting mirror symmetries
Suman Aich, Babak Seradjeh
We investigate the higher-order bulk-boundary correspondence in a family of chiral-symmetric Bloch Hamiltonians with anticommuting mirror symmetries. These models generalize the $π…
cond-mat.mes-hall2025
Selective bulk-boundary correspondence in higher-order topological insulators with anticommuting mirror and chiral symmetries
Suman Aich, Babak Seradjeh
We investigate higher-order topological insulators protected by chiral and anticommuting mirror symmetries. Using models in the BDI class, which include the prototypical topologica…
cond-mat.mes-hall2023★ 1 cited
Multiple tunable real-space degeneracies in graphene irradiated by twisted light
Suman Aich, Babak Seradjeh
We report the theoretical discovery of multiple real-space degenerate Floquet-Bloch states in monolayer graphene coherently driven by twisted circularly-polarized light. Using Floq…