Actas de conferencias
|Quenched disorder distributions in three-dimensional diluted ferromagnets|
|Janke W., Berche P.E., Chatelain C. and Berche B.|
|Computer Simulation Studies in Condensed-Matter Physics XVI (2004) 89|
|ArXiv : cond-mat/0304642 [PDF]|
We report on large-scale Monte Carlo simulations of the three-dimensional 4-state Potts ferromagnet subject to quenched, random bond dilution. For small dilutions the rather strong first-order phase transition of the pure system is found to persist, whereas for larger dilutions the theoretically expected softening to a continuous transition is confirmed. The properties of the underlying disorder distributions of thermal observables are discussed and illustrated with a few selected examples.