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Type: Artigo de periódico
Title: Frustration effects on small-world networks
Author: Campos, PRA
De Oliveira, VM
Moreira, FGB
Abstract: We investigate the frustration effects on small-world networks by studying antiferromagnetic Ising model in two dimensions. When the rewiring is constrained to those sites such that the interaction still occurs between spins in distinct sublattices and frustration does not take place, we observe that the system behaves as in previous investigations of ferromagnetic Ising model. However, when the rewiring procedure does not only produce interactions between spins in distinct sublattices, small-world configurations can effectively produce geometrical frustration and we attain a different critical behavior. In the frustrated case, the critical temperature decreases with the augment of the rewiring probability and the magnetic ordering presents two different regimes for low and high p.
Subject: antiferromagnetic
small-world networks
Monte Carlo simulations
Country: Singapura
Editor: World Scientific Publ Co Pte Ltd
Citation: International Journal Of Modern Physics C. World Scientific Publ Co Pte Ltd, v. 15, n. 9, n. 1269, n. 1277, 2004.
Rights: fechado
Identifier DOI: 10.1142/S0129183104006698
Date Issue: 2004
Appears in Collections:Unicamp - Artigos e Outros Documentos

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