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cond-mat.stat-mech2025
Boundary Criticality at the Nishimori Multicritical Point
Sheng Yang, Xinyu Sun, Shao-Kai Jian
We study boundary criticality at the Nishimori multicritical point of the two-dimensional (2D) random-bond Ising model. Using tensor-network methods, we construct a family of micro…
cond-mat.str-el2025★ 5 cited
Boundary operator expansion and extraordinary phase transition in the tricritical O(N) model
Xinyu Sun, Shao-Kai Jian
We study the boundary extraordinary transition of a three-dimensional (3D) tricritical model. We first compute the mean-field Green's function with a general coupling of $|\…