Violation of the string hypothesis and the Heisenberg XXZ spin chain

Ilakovac, Amon and Kolanović, Marko and Pallua, Silvio and Prester, Predrag (1999) Violation of the string hypothesis and the Heisenberg XXZ spin chain. Physical Review B, 60 (10). pp. 7271-7277. ISSN 1098-0121

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Abstract

In this paper we count the numbers of real and complex solutions to Bethe constraints in the two-particle sector of the XXZ model. We find the exact number of exceptions to the string conjecture and total number of solutions that is required for completeness.

Item Type: Article
Keywords: XXZ spin chain, string hypothesis, Bethe ansatz
Date: 1999
Subjects: NATURAL SCIENCES > Physics
Additional Information: Copyright (1999) by the American Physical Society.
Divisions: Faculty of Science > Department of Physics
Project code: 119222
Publisher: American Physical Society
Depositing User: Gordana Stubičan Ladešić
Date Deposited: 13 May 2014 18:30
Last Modified: 13 May 2014 18:30
URI: http://digre.pmf.unizg.hr/id/eprint/1216

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