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Disordered magnetic systems in two dimensions

Authors
Journal
Journal of Magnetism and Magnetic Materials
0304-8853
Publisher
Elsevier
Publication Date
Volume
96
Identifiers
DOI: 10.1016/0304-8853(91)90612-e
Disciplines
  • Physics

Abstract

Abstract Recent theoretical results for the two-dimensional Ising model with random bonds are applied to dilute and mixed magnetic systems. The rounding effect on the quenched specific heat peak, observed in experiments with strong disorder, is explained by the the appearance of a new thermodynamic phase between the ferro- and paramagnetic phase. The relations of this result with computer simulations are discussed. In particular, finite-size effects on the disorder-induced phase are estimated.

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