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cond-mat.mes-hall2025
Characterizing Topological Phase Transition in Non-Hermitian Systems
ZhaoXiang Fang, Yongxu Fu, Guang-Can Guo +1
We propose and present a concept of Topological Distance (TD), obtained from the integration of trace distance over the generalized Brillouin zone, in order to characterize the top…
quant-ph2025★ 5 cited
Computing n-time correlation functions without ancilla qubits
Xiaoyang Wang, Long Xiong, Xiaoxia Cai +1
The -time correlation function is pivotal for establishing connections between theoretical predictions and experimental observations of a quantum system. Conventional methods fo…
cond-mat.str-el2025
Hermitian and Non-Hermitian Topological Transitions Characterized by Manifold Distance
ZhaoXiang Fang, Ming Gong, Guang-Can Guo +2
Topological phases are generally characterized by topological invariants denoted by integer numbers. However, different topological systems often require different topological inva…