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Journal Articles Physical Review Letters Year : 2021

Elastoplasticity Mediates Dynamical Heterogeneity Below the Mode-Coupling Temperature

Abstract

As liquids approach the glass transition temperature, dynamical heterogeneity emerges as a crucial universal feature of their behavior. Dynamic facilitation, where local motion triggers further motion nearby, plays a major role in this phenomenon. Here we show that long-range, elastically-mediated facilitation appears below the mode-coupling temperature, adding to the short-range component present at all temperatures. Our results suggest deep connections between the supercooled liquid and glass states, and pave the way for a deeper understanding of dynamical heterogeneity in glassy systems.
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hal-03345449 , version 1 (15-09-2021)

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Rahul N Chacko, François P. Landes, Giulio Biroli, Olivier Dauchot, Andrea J Liu, et al.. Elastoplasticity Mediates Dynamical Heterogeneity Below the Mode-Coupling Temperature. Physical Review Letters, 2021, 127 (4), ⟨10.1103/PhysRevLett.127.048002⟩. ⟨hal-03345449⟩
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