Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1995-04-04
Phys.Lett. B354 (1995) 389-395
Physics
High Energy Physics
High Energy Physics - Theory
LaTeX file, 15 pages
Scientific paper
10.1016/0370-2693(95)00684-D
We study the relationship among the XXZ Heisenberg model and three models
obtained from it by various transformations. In particular, we emphasize the
role of a non trivial central element $t^Z$ in the underlying algebra and its
relationship with the twisted boundary conditions,
$S^{\pm}_{N+1}=t^{\pm N}S^{\pm}_1$.
R-Monteiro M.
Roditi Itzhak
Rodrigues Ligia M. C. S.
Sciuto Stefano
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