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physics.optics2023★ 16 cited
Non-Hermitian extended midgap states and bound states in the continuum
Maria Zelenayova, Emil J. Bergholtz
We investigate anomalous localization phenomena in non-Hermitian systems by solving a class of generalized Su-Schrieffer-Heeger/Rice-Mele models and by relating their provenance to…
physics.optics2023★ 3 cited
Non-Hermitian Boundary State Distillation with Lossy Waveguides
Walid Cherifi, Johan Carlström, Mohamed Bourennane +1
The hallmark of topological phases is their exotic boundary states. In a series of remarkable experiments it has been shown that classical analogues of these states can be engineer…