A universal description of ultraslow glass dynamics

Julio Cesar Martinez-Garcia (), Sylwester J. Rzoska, Aleksandra Drozd-Rzoska and Jorge Martinez-Garcia
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Julio Cesar Martinez-Garcia: University of Berne
Sylwester J. Rzoska: Institute of Physics, University of Silesia, ul. Uniwersytecka 4
Aleksandra Drozd-Rzoska: Foundation C2B, ul. Wolności 3/5
Jorge Martinez-Garcia: Lucerne University of Applied Sciences

Nature Communications, 2013, vol. 4, issue 1, 1-9

Abstract: Abstract The dynamics of glass is of importance in materials science but its nature has not yet been fully understood. Here we report that a verification of the temperature dependencies of the primary relaxation time or viscosity in the ultraslowing/ultraviscous domain of glass-forming systems can be carried out via the analysis of the inverse of the Dyre–Olsen temperature index. The subsequent analysis of experimental data indicates the possibility of the self-consistent description of glass-forming low-molecular-weight liquids, polymers, liquid crystals, orientationally disordered crystals and Ising spin-glass-like systems, as well as the prevalence of equations associated with the ‘finite temperature divergence’. All these lead to a new formula for the configurational entropy in glass-forming systems. Furthermore, a link to the dominated local symmetry for a given glass former is identified here. Results obtained show a new relationship between the glass transition and critical phenomena.

Date: 2013
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DOI: 10.1038/ncomms2797

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