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Article Dans Une Revue Physical Review Letters Année : 2023

Elasticity, Facilitation, and Dynamic Heterogeneity in Glass-Forming Liquids

Résumé

We study the role of elasticity-induced facilitation on the dynamics of glass-forming liquids by a coarse-grained two-dimensional model in which local relaxation events, taking place by thermal activation, can trigger new relaxations by long-range elastically mediated interactions. By simulations and an analytical theory, we show that the model reproduces the main salient facts associated with dynamic heterogeneity and offers a mechanism to explain the emergence of dynamical correlations at the glass transition. We also discuss how it can be generalized and combined with current theories.

Dates et versions

hal-04491466 , version 1 (06-03-2024)

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Misaki Ozawa, Giulio Biroli. Elasticity, Facilitation, and Dynamic Heterogeneity in Glass-Forming Liquids. Physical Review Letters, 2023, 130 (13), pp.138201. ⟨10.1103/PhysRevLett.130.138201⟩. ⟨hal-04491466⟩
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