328 citations
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cond-mat.dis-nn2005★ 9 cited
Strong disorder renormalization group on fractal lattices: Heisenberg models and magnetoresistive effects in tight binding models
R. Mélin, B. Douçot, F. Iglói
We use a numerical implementation of the strong disorder renormalization group (RG) method to study the low-energy fixed points of random Heisenberg and tight-binding models on dif…
cond-mat.dis-nn2005★ 18 cited
Disorder driven phase transitions of the large q-state Potts model in 3d
M. T. Mercaldo, J-Ch. Anglès d'Auriac, F. Iglói
Phase transitions induced by varying the strength of disorder in the large-q state Potts model in 3d are studied by analytical and numerical methods. By switching on the disorder t…
cond-mat.dis-nn2003★ 25 cited
Disorder induced rounding of the phase transition in the large q-state Potts model
M. T. Mercaldo, J-Ch. Anglès d'Auriac, F. Iglói
The phase transition in the q-state Potts model with homogeneous ferromagnetic couplings is strongly first order for large q, while is rounded in the presence of quenched disorder.…