Zeitschrift für Physik B Condensed Matter

, Volume 96, Issue 3, pp 401–407 | Cite as

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

  • A. Klümper
  • S. I. Matveenko
  • J. Zittartz


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.


75.10.Jm 05.50 


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Copyright information

© Springer-Verlag 1995

Authors and Affiliations

  • A. Klümper
    • 1
  • S. I. Matveenko
    • 1
  • J. Zittartz
    • 1
  1. 1.Institut für Theoretische PhysikUniversität zu KölnKölnGermany

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