3 papers
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 the associated impurity-induced loss bursts in a non-Hermitian dissipative cross-stitch lattice. By a local basis rotation, the mo…
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…
cond-mat.dis-nn2025
Exact multiple anomalous mobility edges in a flat band geometry
Zhanpeng Lu, Hui Liu, Yunbo Zhang +1
Anomalous mobility edges(AMEs), separating localized from multifractal critical states, represent a novel form of localization transition in quasiperiodic systems. However, quasi-p…