Exact two-spinon dynamical correlation function of the Heisenberg model
A. H. Bougourzi, M. Couture, M. Kacir
Abstract
We derive the exact contribution of two spinons to the dynamical correlation function of the spin-1/2 Heisenberg model. For this, we use the isotropic limits of the exact form factors that have been recently computed through the quantum affine symmetry of the anisotropic Heisenberg model XXZ
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