Combinatorics, wreath products, finite space groups and magnetism

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In this lecture some mathematical tools necessary for a proper description of the Heisenberg antiferromagnet are presented. We would like to point out differences between ferro- and antiferromagnetic cases of Heisenberg Hamiltonian for finite spin systems. The ground-state properties are discussed.
RevTeX, 4 pages

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Mathematical Physics, Strongly Correlated Electrons

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http://salesiana.dossiersoluciones.com/handle/123456789/173339

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/physics/9801011
 http://arxiv.org/abs/physics/9801011

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arXiv