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American Physical Society, Physical review E: Statistical physics, plasmas, fluids, and related interdisciplinary topics, 2(59), p. R1295-R1298, 1999

DOI: 10.1103/physreve.59.r1295

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Numerical signs for a transition in the two-dimensional random field Ising model atT=0

Journal article published in 1999 by Carlos Frontera, Eduard Vives ORCID
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This paper is available in a repository.

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Abstract

Intensive numerical studies of exact ground states of the two-dimensional ferromagnetic random field Ising model at T=0, with a Gaussian distribution of fields, are presented. Standard finite size scaling analysis of the data suggests the existence of a transition at sigmac=0.64+/-0.08. Results are compared with existing theories and with the study of metastable avalanches in the same model.