Multi-leg integrable ladder models

D. Arnaudon, A. Sedrakyan, Tigrans Sedrakyan

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

We construct integrable spin chains with inhomogeneous periodic disposition of the anisotropy parameter. The periodicity holds for both auxiliary (space) and quantum (time) directions. The integrability of the model is based on a set of coupled Yang-Baxter equations. This construction yields P-leg integrable ladder Hamiltonians. We analyse the corresponding quantum group symmetry and present algebraic Bethe ansatz (ABA) solution.

Original languageEnglish (US)
Pages (from-to)615-636
Number of pages22
JournalNuclear Physics B
Volume676
Issue number3
DOIs
StatePublished - Jan 12 2004

Bibliographical note

Funding Information:
The authors A.S. and T.S. acknowledge the LAPTH for hospitality, where this work was carried out. T.S. acknowledge also SCOPE grant of SNF, Volkswagen foundation, INTAS grant 00561 and A.S. INTAS grant 00-390 for partial financial support.

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