Type-II hyperbolic lattices host higher-order topological phases with zero-energy cornerlike states localized on both inner and outer boundaries, verified in modified BHZ and BBH models and robust to weak disorder.
Circuit Quantum Electrodynamics in Hyperbolic Space: From Photon Bound States to Frustrated Spin Models
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Tunable cornerlike states in topological type-II hyperbolic lattices
Type-II hyperbolic lattices host higher-order topological phases with zero-energy cornerlike states localized on both inner and outer boundaries, verified in modified BHZ and BBH models and robust to weak disorder.