Johari–Goldstein Heterogeneous Dynamics in a Model Polymer

The heterogeneous character of the Johari–Goldstein (JG) relaxation is evidenced by molecular-dynamics simulation of a model polymer system. A double-peaked evolution of dynamic heterogeneity, with maxima located at JG and structural relaxation time scales, is observed and mechanistically explained....

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Bibliographic Details
Published in:Macromolecules 2021-03, Vol.54 (5), p.2053-2058
Main Authors: Puosi, Francesco, Tripodo, Antonio, Malvaldi, Marco, Leporini, Dino
Format: Article
Language:English
Subjects:
evolution
molecular dynamics
polymers
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