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Heterogeneous diffusion in a reversible gel
Pablo I. Hurtado, Ludovic Berthier, Walter Kob
We introduce a microscopically realistic model of a physical gel and use computer simulations to study its static and dynamic properties at thermal equilibrium. The phase diagram c…
Spontaneous and induced dynamic correlations in glass-formers II: Model calculations and comparison to numerical simulations
Ludovic Berthier, Giulio Biroli, Jean-Philippe Bouchaud +3
We study in detail the predictions of various theoretical approaches, in particular mode-coupling theory (MCT) and kinetically constrained models (KCMs), concerning the time, tempe…
Spontaneous and induced dynamic fluctuations in glass-formers I: General results and dependence on ensemble and dynamics
Ludovic Berthier, Giulio Biroli, Jean-Philippe Bouchaud +3
We study theoretically and numerically a family of multi-point dynamic susceptibilities that quantify the strength and characteristic lengthscales of dynamic heterogeneities in gla…
Dynamics of a rod in a homogeneous/inhomogeneous frozen disordered medium: Correlation functions and non-Gaussian effects
Angel J. Moreno, Walter Kob
We present molecular dynamics simulations of the motion of a single rigid rod in a disordered static 2d-array of disk-like obstacles. Two different configurations have been used fo…