Europhys. Lett.
Volume 66, Number 1, April 2004
Page(s) 83 - 89
Section Condensed matter: structure, mechanical and thermal properties
Published online 01 March 2004
Europhys. Lett., 66 (1) , pp. 83-89 (2004)
DOI: 10.1209/epl/i2003-10153-8

Sample-dependent phase transitions in disordered exclusion models

C. Enaud and B. Derrida

Laboratoire de Physique Statistique, Ecole Normale Supérieure 24 rue Lhomond, 75231 Paris Cedex 05, France

(Received 5 December 2003; accepted in final form 3 February 2004)

We give numerical evidence that the location of the first-order phase transition between the low- and the high-density phases of the one-dimensional asymmetric simple exclusion process with open boundaries becomes sample dependent when quenched disorder is introduced for the hopping rates.

64.60.-i - General studies of phase transitions.
05.50.+q - Lattice theory and statistics (Ising, Potts, etc.).
05.60.Cd - Classical transport.

© EDP Sciences 2004