A mechanism for symmetry breaking in antiferromagnetic Heisenberg systems

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Iske, P.L. and Caspers, W.J. (1987) A mechanism for symmetry breaking in antiferromagnetic Heisenberg systems. Physica A, 142 (1-3). pp. 360-373. ISSN 0378-4371

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Abstract:An approximation method, based on dimer coverings, for the ground state of the antiferromagnetic Heisenberg lattice is described. The working of the method is demonstrated by some small-system calculations. The method introduces a possible mechanism for symmetry breaking for two- and higher-dimensional systems.
Item Type:Article
Copyright:© 1987 Elsevier Science
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Link to this item:http://purl.utwente.nl/publications/69864
Official URL:http://dx.doi.org/10.1016/0378-4371(87)90030-6
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