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quant-ph2024★ 1 cited
Anomaly in open quantum systems and its implications on mixed-state quantum phases
Zijian Wang, Linhao Li
In this paper, we develop a systematic approach to characterize the 't Hooft anomaly in open quantum systems. Owing to nontrivial couplings to the environment, symmetries in such s…
quant-ph2022★ 15 cited
Duality viewpoint of criticality
Linhao Li, Yuan Yao
In this work, we study quantum many-body systems which are self-dual under duality transformation connecting different symmetry protected topological (SPT) phases. We provide a geo…