Activating non-Hermitian skin modes by parity-time symmetry breaking
Zhoutao Lei,
Ching Hua Lee,
Linhu Li
Abstract:Parity-time ($${{{{{{{\mathcal{PT}}}}}}}}$$
PT
) symmetry is a cornerstone of non-Hermitian physics as it ensures real energies for stable experimental realization of non-Hermitian phenomena. In this work, we propose $${{{{{{{\mathcal{PT}}}}}}}}$$
PT
symmetry as a paradigm for designing rich families of higher-dimensional non-Hermitian states with unique bulk, surface, hinge or corner dynamics. Through systematically breaking or restoring $${… Show more
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