Sample-dependent phase transitions in disordered exclusion models

C. Enaud (1) , B. Derrida (1)

1 LPS - Laboratoire de Physique Statistique de l'ENS

We give numerical evidence that the location of the first order phase transitionbetween the low and the high density phases of the one dimensionalasymmetric simple exclusion process with open boundaries becomessample dependent when quenched disorder is introduced for the hoppingrates.

Mots clés: phase transition; asymmetric simple exclusion process; disordered systems; open system; stationary non-equilibrium state

Domaines: Autre [cond-mat.other]; Mécanique statistique [cond-mat.stat-mech]; Systèmes désordonnés et réseaux de neurones [cond-mat.dis-nn]

C. Enaud, B. Derrida. Sample-dependent phase transitions in disordered exclusion models. 2004. ⟨hal-00001153⟩