Percolation model for slow dynamics in glass-forming materials

Gregg Lois, Jerzy Blawzdziewicz, Corey S. O'Hern

Research output: Contribution to journalArticlepeer-review

34 Scopus citations

Abstract

We identify a link between the glass transition and percolation of regions of mobility in configuration space. We find that many hallmarks of glassy dynamics, for example, stretched-exponential response functions and a diverging structural relaxation time, are consequences of the critical properties of mean-field percolation. Specific predictions of the percolation model include the range of possible stretching exponents 1/3≤β≤1 and the functional dependence of the structural relaxation time τα and exponent β on temperature, density, and wave number.

Original languageEnglish
Article number015702
JournalPhysical Review Letters
Volume102
Issue number1
DOIs
StatePublished - Jan 5 2009

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