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quant-ph2026
Impurity-induced loss bursts from anomalous scale-free localization in a non-Hermitian dissipative lattice
Hui Liu, Zhihao Xu
We identify anomalous scale-free localization and associated impurity-induced loss bursts in a non-Hermitian dissipative cross-stitch lattice. By a local basis rotation, the model…
cond-mat.dis-nn2026
Even--odd classification of reentrant topology in a Su--Schrieffer--Heeger chain with integer-power quasiperiodic hopping
Yusheng Niu, Hui Liu, Zhihao Xu
We investigate reentrant topology in a one-dimensional Su--Schrieffer--Heeger chain with integer-power quasiperiodically modulated intracell hopping. The modulation is controlled b…