arXiv:nlin/0001038 · International Journal of Modern Physics A
DIFFERENCE EQUATIONS FOR THE HIGHER RANK XXZ MODEL WITH A BOUNDARY
TAKEO KOJIMA, YAS-HIRO QUANO
Abstract
The higher rank analog of the XXZ model with a boundary is considered on the basis of the vertex operator approach. We derive difference equations of the quantum Knizhnik–Zamolodchikov type for 2N-point correlations of the model. We present infinite product formulae of two point functions with free boundary condition by solving those difference equations with N=1.