Non-Hermitian Boundary State Engineering in Anomalous Floquet Topological Insulators
Non-Hermitian Boundary State Engineering in Anomalous Floquet Topological Insulators
In Hermitian topological systems, the bulk-boundary correspondence strictly constrains boundary transport to values determined by the topological properties of the bulk. We demonstrate that this constraint can be lifted in non-Hermitian Floquet insulators. Provided that the insulator supports an anomalous topological phase, non-Hermiticity allows us to modify the boundary states …