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nlin.SI2000
R-matrix for asymmetrical XXZ spin chain in magnetic field
P. N. Bibikov
The R-matrix for asymmetrical XXZ spin chain in magnetic field is presented. It depends non-additively on two spectral parameters.
nlin.SI2000
Derivation of R-matrix from local Hamiltonian density
P. N. Bibikov
A computer algebra algoritm for solving the quantum Yang-Baxter equation is presented. It is based on the Taylor expansion of R-matrix which is developed up to the order λ^6. As an…