Wen-Li Yang

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math-ph2025

Exact physical quantities of the $D_{2}^{(2)}$ spin chain model with generic open boundary conditions

Pengcheng Lu, Junpeng Cao, Wen-Li Yang +2

We study the quantum integrable spin chain model associated with the twisted $D_{2}^{(2)}$ algebra (or simply the $D_{2}^{(2)}$ model) under generic open boundary conditions. The Hamil…

math-ph2024

Exact surface energies and boundary excitations of the Izergin-Korepin model with generic boundary fields

Pengcheng Lu, Junpeng Cao, Wen-Li Yang +2

The Izergin-Korepin model is an integrable model with the simplest twisted quantum affine algebra $U_{q} (A_{2}^{(2)})$ symmetry. Applying the $t - W$ method, we derive the homogeneous ze…

math-ph2024

Root patterns and exact surface energy of the spin-1 Heisenberg model with generic open boundaries

Jiasheng Dong, Pengcheng Lu, Junpeng Cao +3

We investigate the thermodynamic limit and exact surface energy of the isotropic spin-1 Heisenberg chain with integrable generic open boundary conditions by a novel Bethe ansatz me…

math-ph2024

Exact surface energy of the Hubbard model with nonparallel boundary magnetic fields

Pei Sun, Yi Qiao, Tao Yang +2

In this study, we explore the precise physical quantities in the thermodynamic limit of the one-dimensional Hubbard model with nonparallel boundary magnetic fields based on the off…

Exact physical quantities of the D2(2)​ spin chain model with generic open boundary conditions

Exact surface energies and boundary excitations of the Izergin-Korepin model with generic boundary fields

Root patterns and exact surface energy of the spin-1 Heisenberg model with generic open boundaries

Exact surface energy of the Hubbard model with nonparallel boundary magnetic fields

Exact physical quantities of the $D_{2}^{(2)}$ spin chain model with generic open boundary conditions