Posts by hatsugai
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Discriminant and symmetry
As widely accepted, the degeneracy of eigenvalues of the Hamiltonian is a singular point, which is the source […]
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Non-hermitian topology in game theory
The use of topological invariants for the characterization of material phases has been quite successful. Non-t […]
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First/second order topology in honeycomb lattice
The Haldane model with Kekulè distortion possesses various phases characterized by different topology with spe […]
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Flux attachement and bulk-edge correspondence
Adiabatic insertion of the Aharonov-Bohm flux through two pinholes introduces charge transport between them wh […]
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