Simplifying Kaufman's Solution of the Two-Dimensional Ising Model
arXiv:cond-mat/0111380 · doi:10.1103/PhysRevE.64.066106
Abstract
We considerably simplify Kaufman's solution of the two-dimensional Ising model by introducing two commuting representations of the complex rotation group SO(2n,C). All eigenvalues of the transfer matrix and therefore the partition function are found in a straightforward way.
4 pages