Boundary energy of the open XXZ chain from new exact solutions

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Bethe Ansatz solutions of the open spin-1/2 integrable XXZ quantum spin chain at roots of unity with nondiagonal boundary terms containing two free boundary parameters have recently been proposed. We use these solutions to compute the boundary energy (surface energy) in the thermodynamic limit.
20 pages, LaTeX; amssymb, 3 figures

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High Energy Physics - Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/182902

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/hep-th/0512058
 http://arxiv.org/abs/hep-th/0512058
 AnnalesHenriPoincare7:1429-1448,2006
 doi:10.1007/s00023-006-0286-4

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arXiv