On the temperature dependence of the Adam-Gibbs equation around the crossover region in the glass transition

Michel Duque, Adriana Andraca, Patricia Goldstein and Luis Felipe del Castillo

Physica A: Statistical Mechanics and its Applications, 2018, vol. 496, issue C, 514-524

Abstract: The Adam-Gibbs equation has been used for more than five decades, and still a question remains unanswered on the temperature dependence of the chemical potential it includes. Nowadays, it is a well-known fact that in fragile glass formers, actually the behavior of the system depends on the temperature region it is being studied. Transport coefficients change due to the appearance of heterogeneity in the liquid as it is supercooled. Using the different forms for the logarithmic shift factor and the form of the configurational entropy, we evaluate this temperature dependence and present a discussion on our results.

Keywords: Adam-Gibbs equation; Glass transition; Fragile supercooled liquids; Logarithmic shift factor; Configurational entropy (search for similar items in EconPapers)
Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:496:y:2018:i:c:p:514-524

DOI: 10.1016/j.physa.2017.12.001

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