Author

Guo-Yi Zhu

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Preprint Aug 2026

Learning Potts Models and $Z_3$ Toric Codes: Higher and Ordinary Nishimori Criticality

Motivated by a previous Ising study, we identify a ${\it higher}$ Nishimori line in the learning phase diagram of the $2D$ $q$-state Potts model $(2<q\leq 4)$ under bond-energy measurements. This ${\it higher}$ Nishimori line meets the critical temperature line of the Potts model, in a ${\it higher}$ Nishimori critical...

Rushikesh A. Patil, M. Pütz, Rohit Mukherjee et al. · 0 citations

Preprint Aug 2026

Sampling isometric tensor network states with monitored quantum circuits

Projected entangled pair states (PEPS) provide an efficient variational ansatz for two-dimensional quantum phases, but computing observables remains challenging because PEPS contraction is generally costly. Here, we parameterize two-dimensional quantum states using variational PEPS subject to isometric constraints and...

Yu-Qing Rong, Huanhai Zhou, Guo-Yi Zhu et al. · 0 citations