Journal
NUCLEAR PHYSICS B
Volume 575, Issue 3, Pages 627-644Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S0550-3213(00)00097-3
Keywords
integrable models; inverse scattering problem; correlation functions
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A general method for solving the so-called quantum inverse scattering problem (namely the reconstruction of local quantum (field) operators in term of the quantum monodromy matrix satisfying a Yang-Baxter quadratic algebra governed by an R-matrix) for a large class of lattice quantum integrable models is given. The principal requirement being the initial condition (R(0) = P, the permutation operator) for the quantum R-matrix solving the Yang-Baxter equation, it applies not only to most known integrable fundamental lattice models (such as Heisenberg spin chains) but also to lattice models with arbitrary number of impurities and to the so-called fused lattice models (including integrable higher spin generalizations of Heisenberg chains). Our method is then applied to several important examples like the sl(n) XYZ model, the XYZ spin-1/2 chain and also to the spin-s heisenberg chains. (C) 2000 Elsevier Science B.V. All rights reserved.
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