Traveling through potential energy landscapes of disordered materials: the activation-relaxation technique
arXiv:cond-mat/9710023 · doi:10.1103/PhysRevE.57.2419
Abstract
A detailed description of the activation-relaxation technique (ART) is presented. This method defines events in the configurational energy landscape of disordered materials, such as a-Si, glasses and polymers, in a two-step process: first, a configuration is activated from a local minimum to a nearby saddle-point; next, the configuration is relaxed to a new minimum; this allows for jumps over energy barriers much higher than what can be reached with standard techniques. Such events can serve as basic steps in equilibrium and kinetic Monte Carlo schemes.
7 pages, 2 postscript figures
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