Boundary energy of the general open XXZ chain at roots of unity

Rajan Murgan, Rafael I. Nepomechie, Chi Shi

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


We have recently proposed a Bethe Ansatz solution of the open spin-1/2 XXZ quantum spin chain with general integrable boundary terms (containing six free boundary parameters) at roots of unity. We use this solution, together with an appropriate string hypothesis, to compute the boundary energy of the chain in the thermodynamic limit.

Original languageEnglish (US)
Article number038
JournalJournal of High Energy Physics
Issue number1
StatePublished - Jan 1 2007


  • Bethe ansatz
  • Boundary quantum field theory
  • Lattice integrable models

ASJC Scopus subject areas

  • Nuclear and High Energy Physics


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