27 citations · 85 across the 7 of their papers we have counts for
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cond-mat.str-el2022★ 27 cited
Duality, Criticality, Anomaly, and Topology in Quantum Spin-1 Chains
Hong Yang, Linhao Li, Kouichi Okunishi +1
In quantum spin-1 chains, there is a nonlocal unitary transformation known as the Kennedy-Tasaki transformation , which defines a duality between the Haldane phase a…
cond-mat.str-el2021★ 25 cited
Symmetry-protected quantization of complex Berry phases in non-Hermitian many-body systems
Shoichi Tsubota, Hong Yang, Yutaka Akagi +1
We investigate the quantization of the complex-valued Berry phases in non-Hermitian quantum systems with certain generalized symmetries. In Hermitian quantum systems, the real-valu…