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quant-ph2021★ 58 cited
Exact solution of single impurity problem in non-reciprocal lattices: impurity induced size-dependent non-Hermitian skin effect
Yanxia Liu, Yumeng Zeng, Linhu Li +1
Non-Hermitian non-reciprocal systems are known to be extremely sensitive to boundary conditions, exhibiting diverse localizing behaviors and spectrum structures when translational…
quant-ph2020
Point-gap topology with complete bulk-boundary correspondence in dissipative quantum systems
Jian-Song Pan, Linhu Li, Jiangbin Gong
The spectral and dynamical properties of dissipative quantum systems, as modeled by a damped oscillator in the Fock space, are investigated from a topological point of view. Unlike…