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math-ph2024★ 1 cited
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 symmetry. Applying the method, we derive the homogeneous ze…
cond-mat.stat-mech2024
T-W relation and free energy of the antiperiodic XXZ chain with η=iπ/3 at a finite temperature
Pengcheng Lu, Junpeng Cao, Wen-Li Yang +2
We study the thermodynamics of the antiperiodic XXZ chain with anisotropy parameter η=iπ/3 by means of the t-W method. We parameterize the eigenvalues of both the transfer matrix a…
math-ph2024★ 2 cited
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…