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Exact solution of new integrable nineteen-vertex models and quantum spin-1 chains

A. Klümper·S. I. Matveenko·J. Zittartz
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Abstract

New exactly solvable nineteen vertex models and related quantum spin-1 chains are solved. Partition functions, excitation energies, correlation lengths, and critical exponents are calculated. It is argued that one of the non-critical Hamiltonians is a realization of an integrable Haldane system. The finite-size spectra of the critical Hamiltonians deviate in their structure from standard predictions by conformal invariance.

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A. Klümper, S. I. Matveenko, J. Zittartz. 1994-09-28. Exact solution of new integrable nineteen-vertex models and quantum spin-1 chains. https://doi.org/10.1007/bf01313063

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