2 papers
cond-mat.stat-mech2026
The free energy of the square lattice Ising model with interactions alternating in horizontal and vertical directions
Kazuhiko Minami
The free energy of the Ising model on the square lattice with alternating interactions in both horizontal and vertical directions is exactly derived. This model is distinct from th…
cond-mat.stat-mech2025
Conserved Charges of Series of Solvable Lattice Models
Kazuhiko Minami
An infinite number of solvable Hamiltonians, including the transverse Ising chain, the XY chain with an external field, the cluster model with next-nearest-neighbor x-x interaction…