Surface energy of integrable quantum spin chains

M. T. Batchelor*, C. J. Hamer

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

25 Citations (Scopus)

Abstract

The surface energy of the antiferromagnetic spin-1/2 XXZ Heisenberg chain is derived in the region Delta (-1 from the known Bethe ansatz solution for free boundaries with surface fields. The result gives the surface energy of related models satisfying the Temperley-Lieb algebra. The models discussed are the quantum Q-state Potts chain and a family of isotropic spin-s chains including the spin-1 biquadratic model.

Original languageEnglish
Article number019
Pages (from-to)761-771
Number of pages11
JournalJournal of Physics A: General Physics
Volume23
Issue number5
DOIs
Publication statusPublished - 1990
Externally publishedYes

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