Localization Dynamics at the Exceptional Point of Non-Hermitian Creutz Ladder

• Published in: Chinese physics letters Vol. 41; no. 2; pp. 27201 - 27207
• Main Authors: Zhang, S. M., He, T. Y., Jin, L.
• Format: Journal Article
• Language: English
• Published: Chinese Physical Society and IOP Publishing Ltd 01.02.2024

We propose a quasi-one-dimensional non-Hermitian Creutz ladder with an entirely flat spectrum by introducing alternating gain and loss components while maintaining inversion symmetry. Destructive interference generates a flat spectrum at the exceptional point, where the Creutz ladder maintains coale...