$R$-matrices for $SU(2)$-invariant two-leg spin ladders
Zapiski Nauchnykh Seminarov POMI, Questions of quantum field theory and statistical physics. Part 17, Tome 291 (2002), pp. 24-34
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The list of $R$-matrices for the set of eight integrable spin ladders is presented. The four of them are new. All the results were obtained using a special algorithm based on the derivation of the $R$-matrix from its local Hamiltonian density. The concrete calculations were realized on the base of the computer algebra system MAPLE V.