Spin-1/2 antiferromagnets in 2 dimensions

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The properties of the groundstate and first excitations of 2dimensionnal quantum antiferromagnets are rapidly sketched. A special emphasis is put on the gapped phases: Valence Bond Crystals and the two types of Spin Liquids. New results on the spin susceptibility of small samples of the Heisenberg antiferromagnet on a kagomé lattice are displayed for comparison with Kagemaya {\it et al.} experimental result (this conference).
7 pages, 4 figures, Proceedings of French-Japanese Symposium on "Quantum Properties of Low-Dimensional Antiferromagnets", held in Fukoaka, Japan, November 20-22, 2001

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Strongly Correlated Electrons

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http://salesiana.dossiersoluciones.com/handle/123456789/20525

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0212351
 http://arxiv.org/abs/cond-mat/0212351
 Quantum Properties of Low-Dimensional Antiferromagnets, editors: Yoshitami Ajiro and Jean-Paul Boucher,Kyushu University Press, p 111-117 (2002)

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arXiv