Role of Attractive Forces in the Relaxation Dynamics of Supercooled Liquids

The attractive tail of the intermolecular interaction affects very weakly the structural properties of liquids, while it affects dramatically their dynamical ones. Via the numerical simulations of model systems not prone to crystallization, both in three and in two spatial dimensions, here we demons...

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Bibliographic Details
Published in:Physical review letters 2020-01, Vol.124 (2), p.028001-028001, Article 028001
Main Authors: Chattoraj, Joyjit, Ciamarra, Massimo Pica
Format: Article
Language:English
Subjects:
Computer simulation
Crystallization
Glass transition temperature
Liquids
Mathematical models
Rescaling
Temperature
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Summary:The attractive tail of the intermolecular interaction affects very weakly the structural properties of liquids, while it affects dramatically their dynamical ones. Via the numerical simulations of model systems not prone to crystallization, both in three and in two spatial dimensions, here we demonstrate that the nonperturbative dynamical effects of the attractive forces are tantamount to a rescaling of the activation energy by the glass transition temperature T_{g}: systems only differing in their attractive interaction have the same structural and dynamical properties if compared at the same value of T/T_{g}.
ISSN:0031-9007
1079-7114
DOI:10.1103/physrevlett.124.028001