Equivalences between spin models induced by defects

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Abstract

The spectra of integrable spin chains are shown to be independent of the ordering of their spins. As an application we introduce defects (local spin inhomogeneities in homogenous chains) in two-boundary spin systems and, by changing their locations, we show the spectral equivalence of different boundary conditions. In particular we relate certain nondiagonal boundary conditions to diagonal ones.

Original languageEnglish
Article numberP06010
JournalJournal of Statistical Mechanics: Theory and Experiment
Issue number6
DOIs
Publication statusPublished - Jun 1 2006

Keywords

  • Integrable spin chains (vertex models)
  • Quantum integrability (Bethe ansatz)
  • Solvable lattice models
  • Symmetries of integrable models

ASJC Scopus subject areas

  • Statistical and Nonlinear Physics
  • Statistics and Probability
  • Statistics, Probability and Uncertainty

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