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Springer, Journal of High Energy Physics, 01(2007), p. 038-038, 2007

DOI: 10.1088/1126-6708/2007/01/038

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Boundary energy of the general open XXZ chain at roots of unity

Journal article published in 2006 by Rajan Murgan, Rafael I. Nepomechie ORCID, Chi Shi
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

We have recently proposed a Bethe Ansatz solution of the open spin-1/2 XXZ quantum spin chain with general integrable boundary terms (containing six free boundary parameters) at roots of unity. We use this solution, together with an appropriate string hypothesis, to compute the boundary energy of the chain in the thermodynamic limit. ; Comment: 22 pages, 6 figures; v2: some comments, a reference and a footnote added