Exploring structural mechanisms in disordered materials using the   activation-relaxation technique
  Structural mechanisms in disordered materials like amorphous semi-conductors and glasses can be explored with the activation-relaxation technique (ART). The application of a sequence of such mechanisms allows for the generation of well-relaxed structures. The method and its application in the study of the microscopic changes in amorphous silicon and silica glass are reviewed, and two recent improvements are presented. 
G.T. Barkema (Utrecht) and Normand Mousseau (Ohio Univ.)