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quant-ph2026
Krylov complexity, mode-resolved complexity and entanglement entropy across phase transitions in the non-Hermitian extended Su-Schrieffer-Heeger model
Ling-Feng Zhang, Wing Chi Yu
We investigate phase transitions in the extended Su-Schrieffer-Heeger (SSH) model with next-nearest-neighbor hoppings and an imaginary staggered chemical potential. In the presence…
quant-ph2021★ 114 cited
Localization and topological transitions in non-Hermitian quasiperiodic lattices
Ling-Zhi Tang, Guo-Qing Zhang, Ling-Feng Zhang +1
We investigate the localization and topological transitions in a one-dimensional (interacting) non-Hermitian quasiperiodic lattice, which is described by a generalized Aubry-André-…