03-499 H. E. Boos , V.E. Korepin and F.A. Smirnov

Connecting lattice and relativistic models via conformal field theory (42K, PS) Nov 13, 03

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Abstract. We consider the quantum group invariant XXZ-model. In infrared limit it describes Conformal Field Theory (CFT) with modified energy-momentum tensor. The correlation functions are related to solutions of level -4 of qKZ equations. We describe these solutions relating them to level 0 solutions. We further consider general matrix elements (form factors) containing local operators and asymptotic states. We explain that the formulae for solutions of qKZ equations suggest a decomposition of these matrix elements with respect to states of corresponding CFT.

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