The XXX spin s quantum chain and the alternating s1, s2 chain with boundaries

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Abstract

The integrable XXX spin s quantum chain and the alternating $s^{1}$, $s^{2}$ ($s^{1}-s^{2}={1\over 2}$) chain with boundaries are considered. The scattering of their excitations with the boundaries via the Bethe ansatz method is studied, and the exact boundary S matrices are computed in the limit $s, s^{1, 2} \to \infty$. Moreover, the connection of these models with the SU(2) Principal Chiral, WZW and the RSOS models is discussed.
Original languageEnglish
Pages (from-to)591–610
Number of pages20
JournalNuclear Physics B
Volume634
Issue number3
DOIs
Publication statusPublished - 15 Jul 2002

Keywords

  • hep-th
  • cond-mat

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