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    Non-equilibrium dynamics of localization phase transition in the non-Hermitian disorder-Aubry-André model

    Yue-Mei Sun, Xin-Yu Wang, and Liang-Jun Zhai*

    • *Contact author: zhailiangjun@jsut.edu.cn

    Phys. Rev. A 112, 022204 – Published 8 August, 2025

    DOI: https://doi.org/10.1103/26fx-j27m

    Abstract

    The driven dynamics of localization transitions in a non-Hermitian disorder-Aubry-André (DAA) model are examined under both open boundary conditions (OBC) and periodic boundary conditions (PBC). Through an analysis of the static properties of observables, including the localization length (ξ), inverse participation ratio (IPR), and energy gap (ΔE), we found that the critical exponents examined under PBC are also applicable under OBC. The Kibble-Zurek scaling (KZS) for the driven dynamics in the non-Hermitian DAA systems is formulated and numerically verified for different local-to-local quench directions. The hybrid KZS (HKZS) in the overlapping critical region of non-Hermitian DAA and Anderson localization is proposed and numerically confirms the validity across a local-to-skin quench direction. This study generalizes the application of the KZS to the dynamical localization transitions within systems featuring dual localization mechanisms.

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