2 papers
hep-th2026
Quantum Entanglement of Bethe States
Yu Hao, Yunfeng Jiang, Bi-Quan Yang +1
We investigate the quantum entanglement of Bethe states across a family of integrable spin chains, including the XXX model, its higher-spin generalizations (XXX…
cond-mat.stat-mech2023
Level spacing statistics of two unitary equivalent models with distinct local symmetries
Biquan Yang, Zijian Xiong
The full spectrum and integrability of unitary equivalent models are the same. A standard diagnostic tool of integrability is level spacing statistics which requires separating the…