The complete spectrum and scalar products for the open spin-1/2 XXZ quantum chains with non-diagonal boundary terms

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TitreThe complete spectrum and scalar products for the open spin-1/2 XXZ quantum chains with non-diagonal boundary terms
Type de publicationJournal Article
Year of Publication2014
AuteursFaldella S., Kitanine N., Niccoli G.
JournalJOURNAL OF STATISTICAL MECHANICS-THEORY AND EXPERIMENT
PaginationP01011
Date PublishedJAN
Type of ArticleArticle
ISSN1742-5468
Mots-clésintegrable spin chains (vertex models), quantum integrability (Bethe Ansatz), solvable lattice models
Résumé

We use the quantum separation of variables (SOV) methods to construct the eigenstates of the open XXZ chain with the most general boundary terms. The eigenstates for the inhomogeneous case are constructed in terms of solutions of a system of quadratic equations. This SOV representation permits us to compute scalar products and can be used to calculate form factors and correlation functions.
DOI10.1088/1742-5468/2014/01/P01011