Boundary energy of the open XXZ chain from new exact solutions

Rajan Murgan, Rafael Nepomechie, Chi Shi

Research output: Contribution to journalArticle

8 Scopus citations


Bethe Ansatz solutions of the open spin- 1/2 integrable XXZ quantum spin chain at roots of unity with nondiagonal boundary terms containing two free boundary parameters have recently been proposed.We use these solutions to compute the boundary energy (surface energy) in the thermodynamic limit. Communicated by Vincent Rivasseau.

Original languageEnglish (US)
Pages (from-to)1429-1448
Number of pages20
JournalAnnales Henri Poincare
Issue number7-8
StatePublished - Dec 2006


ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Nuclear and High Energy Physics
  • Statistical and Nonlinear Physics

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