Ring structure in the complex plane: A fingerprint of a non-Hermitian mobility e

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Letter

Ring structure in the complex plane: A fingerprint of a non-Hermitian mobility edge

Shan-Zhong Li and Zhi Li
Phys. Rev. B 110, L041102 – Published 1 July 2024

ABSTRACT

By Avila's global theory, we analytically reveal that the non-Hermitian mobility edge will take on a ring structure in the complex plane, which we name as the “mobility ring”. The universality of the mobility ring has been checked and supported by the Hermitian limit,