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most citedFinite size spectrum of the staggered six-vertex model with -invariant boundary conditions

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Scaling limit of the ground state Bethe roots for the inhomogeneous XXZ spin- chain

Sascha Gehrmann, Gleb A. Kotousov, Sergei L. Lukyanov

It is known that for the Heisenberg XXZ spin- chain in the critical regime, the scaling limit of the vacuum Bethe roots yields an infinite set of numbers that coincide…