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math-ph2024
Topological junctions for one-dimensional systems
David Gontier, Clément Tauber
We study and classify the emergence of protected edge modes at the junction of one-dimensional materials. Using symmetries of Lagrangian planes in boundary symplectic spaces, we pr…
math-ph2024★ 3 cited
Classifying bulk-edge anomalies in the Dirac Hamiltonian
Hansueli Jud, Clément Tauber
We study the Dirac Hamiltonian in dimension two with a mass term and a large momentum regularization, and show that bulk-edge correspondence fails. Despite a well defined bulk topo…