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Free Fermionic Elliptic Reflection Matrices and Quantum Group Invariance

R. Cuerno, A. González--Ruiz

hep-tharXiv:hep-th/9304112

Abstract

Elliptic diagonal solutions for the reflection matrices associated to the elliptic R matrix of the eight vertex free fermion model are presented. They lead through the second derivative of the open chain transfer matrix to an XY hamiltonian in a magnetic field which is invariant under a quantum deformed Clifford--Hopf algebra.

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