Author

Bo Yu

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Preprint Aug 2026

Movable seams in root-of-unity XXZ chains: Relative flux classes and antiunitary spectral pairing

Starting from the cyclic duality tensors introduced by Vernier, Miao, and Yamazaki (VMY), whose endpoint-traced matrix-product operators obey $\mathbb Z_N$ Tambara--Yamagami fusion and realize topological defect lines of the compactified-boson conformal field theory, we retain the virtual endpoint as an $N$-state dynam...

Bo Yu, Rui-Xin Zhou, Mei-Sen Gao · 0 citations

Preprint Sep 2026

Hidden amplitude and dynamical information in phase-separation spectra

Framewise variance normalization removes fluctuation amplitude from an observation, but not from the dynamics that generate later patterns. The current normalized spectrum therefore need not determine its own future. We study this effect in three two-dimensional phase-separation models that change transport, add active...

Bo Yu, Rui-Xin Zhou, Jia-Xing Yuan · 0 citations

Preprint Aug 2026

Observable dependence and rate identifiability in false-vacuum decay of the quantum Ising chain

Extracting a thermodynamic nucleation rate from finite-time quantum dynamics requires separating observable decay from estimator and finite-size validity. We develop a multilevel identification framework for real-time tensor-network simulations of false-vacuum decay in the one-dimensional quantum Ising chain. Across tw...

Bo Yu, Rui-Xin Zhou, Hang Su · 0 citations