Boundary S-matrix for the XXZ chain

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6 Scopus citations


We compute by means of the Bethe ansatz the boundary S-matrix for the open anisotropic spin-1/2 chain with diagonal boundary magnetic fields in the noncritical regime (Δ > 1). Our result, which is formulated in terms of q-gamma functions, agrees with the vertex-operator result of Jimbo et al.

Original languageEnglish (US)
Pages (from-to)53-59
Number of pages7
JournalJournal of Physics A: Mathematical and General
Issue number1
StatePublished - Jan 9 1998

ASJC Scopus subject areas

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


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