Integrable open spin chains with nonsymmetric R-matrices

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142 Scopus citations


The authors extend Sklyanin's formalism for constructing integrable open spin chains to the case of 'non-symmetric' (PT-invariant) R-matrices. They use this formalism to show that the Hamiltonian of an integrable open chain is invariant under gauge transformations of the R-matrix.

Original languageEnglish (US)
Article number005
Pages (from-to)L17-L23
JournalJournal of Physics A: Mathematical and General
Issue number1
StatePublished - Dec 1 1991

ASJC Scopus subject areas

  • Statistical and Nonlinear Physics
  • Mathematical Physics
  • Physics and Astronomy(all)


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