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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.
N. Kitanine, Jean Michel Maillet, N. A. Slavnov, Véronique Terras. Dynamical correlation functions of the XXZ spin-1/2 chain. Nuclear Physics B, Elsevier, 2005, 729 (3), pp.558-580. ⟨10.1016/j.nuclphysb.2005.08.046⟩. ⟨ensl-00266560⟩