Abstract
We present a numerical analysis for of the fraction of diffusive direction for temperatures on both sides of the fragile-to-strong crossover. The dependence of clearly reveals this change in dynamical behavior. We find that for above the crossover (fragile region) the system is always close to ridges of the potential energy surface (PES), while below the crossover (strong region), the system mostly explores the PES local minima. Despite this difference, the power law dependence of on the diffusion constant, as well as the power law dependence of on the configurational entropy, shows no change at the fragile-to-strong crossover.
- Received 31 August 2001
DOI:https://doi.org/10.1103/PhysRevLett.88.035501
©2002 American Physical Society