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An operator-based approach to topological photonics
Alexander Cerjan, Terry A. Loring
Recently, the study of topological structures in photonics has garnered significant interest, as these systems can realize robust, non-reciprocal chiral edge states and cavity-like…
Revealing Topology in Metals using Experimental Protocols Inspired by -Theory
Wenting Cheng, Alexander Cerjan, Ssu-Ying Chen +3
Topological metals are special conducting materials with gapless band structures and nontrivial edge-localized resonances, whose discovery has proved elusive because the traditiona…
Quadratic pseudospectrum for identifying localized states
Alexander Cerjan, Terry A. Loring, Fredy Vides
We examine the utility of the quadratic pseudospectrum in photonics and condensed matter. Specifically, the quadratic pseudospectrum represents a method for approaching systems wit…