Dynamical correlation functions of the XXZ spin-1/2 chain
arXiv:hep-th/0407108 · doi:10.1016/j.nuclphysb.2005.08.046
Abstract
We derive a master equation for the dynamical spin-spin correlation functions of the XXZ spin-1/2 Heisenberg finite chain in an external magnetic field. In the thermodynamic limit, we obtain their multiple integral representation.
25 pages