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Modified rational six vertex model on the rectangular lattice

Samuel Belliard, Rodrigo Alves Pimenta, Nikita A. Slavnov

SciPost Phys. 16, 009 (2024) · published 9 January 2024


We consider a rational six vertex model on a rectangular lattice with boundary conditions that generalize the usual domain wall type. We find that the partition function of the inhomogeneous version of this model is given by a modified Izergin determinant. The proofs are based on the quantum inverse scattering method and its representation theory together with elementary linear algebra.

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