Crossover effects in the bond-diluted Ising model in three dimensions

(2) Institut f\"ur Theoretische Physik; 3); (3) Universit\'e Henri Poincar\'e; B. Berche (3); C. Chatelain (2; Nancy); P.E. Berche (1); Universit\"at Leipzig; W. Janke (2) ((1) Universit\'e de Rouen

arxiv: cond-mat/0202177 · v1 · submitted 2002-02-11 · ❄️ cond-mat.stat-mech · cond-mat.dis-nn

Crossover effects in the bond-diluted Ising model in three dimensions

P.E. Berche (1) , C. Chatelain (2 , 3) , B. Berche (3) , W. Janke (2) ((1) Universit\'e de Rouen , (2) Institut f\"ur Theoretische Physik , Universit\"at Leipzig , (3) Universit\'e Henri Poincar\'e

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classification ❄️ cond-mat.stat-mech cond-mat.dis-nn

keywords modelbond-dilutedcriticalisingapproximationsbondcalculationcarlo

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We investigate by Monte Carlo simulations the critical properties of the three-dimensional bond-diluted Ising model. The phase diagram is determined by locating the maxima of the magnetic susceptibility and is compared to mean-field and effective-medium approximations. The calculation of the size-dependent effective critical exponents shows the competition between the different fixed points of the model as a function of the bond dilution.

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Crossover effects in the bond-diluted Ising model in three dimensions

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