Information-theoretic measurements of coupling between structure and dynamics in glass formers

R.L. Jack, A.J. Dunleavy, C.P. Royall

Research output: Contribution to journalArticlepeer-review

47 Citations (Scopus)
189 Downloads (Pure)

Abstract

We analyze connections between structure and dynamics in two model glass formers, using the mutual information between an initial configuration and the ensuing dynamics to compare the predictive value of different structural observables. We consider the predictive power of normal modes, locally favored structures, and coarse-grained measurements of local energy and density. The mutual information allows the influence of the liquid structure on the dynamics to be analyzed quantitatively as a function of time, showing that normal modes give the most useful predictions on short time scales while local energy and density are most strongly predictive at long times.
Original languageEnglish
Article number095703
Pages (from-to)1-5
Number of pages5
JournalPhysical Review Letters
Volume113
Issue number9
Early online date28 Aug 2014
DOIs
Publication statusPublished - 29 Aug 2014

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