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Kovacs Effect in Glass with Material Memory Revealed in Non-Equilibrium Particle Interactions
Matteo Lulli, Chun-Shing Lee, Ling-Han Zhang +2
The Kovacs effect is a remarkable feature of the ageing dynamics of glass forming liquids near the glass transition temperature. It consists in a non-monotonous evolution of the vo…
Spatial heterogeneities in structural temperature cause Kovacs expansion gap paradox in aging of glasses
Matteo Lulli, Chun-Shing Lee, Hai-Yao Deng +2
Volume and enthalpy relaxation of glasses after a sudden temperature change has been extensively studied since Kovacs seminal work. One observes an asymmetric approach to equilibri…
Fragile Glasses Associated with a Dramatic Drop of Entropy under Supercooling
Chun-Shing Lee, Matteo Lulli, Ling-Han Zhang +2
We perform kinetic Monte Carlo simulations of a distinguishable-particle lattice model of structural glasses with random particle interactions. By varying the interaction distribut…