Spinon statistics in integrable spin-S Heisenberg chains☆

  title={Spinon statistics in integrable spin-S Heisenberg chains☆},
  author={Holger Frahm and Martin Stahlsmeier},
  • Holger Frahm, Martin Stahlsmeier
  • Published 1998
  • Physics
  • The spectrum of the integrable spin-S Heisenberg chains is completely characterized in terms of spin-12 spinons. In the continuum limit they form a quasi-particle basis to the higher level SU(2) Wess-Zumino-Witten (WZW) models. Enumerating the spinon states in finite systems we obtain effective single particle distribution functions for these objects which generalize Haldane's generalized exclusion principle to quasi-particles with non-Abelian exchange statistics. 

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