Preprint Hypothesis Version 1 Preserved in Portico This version is not peer-reviewed

Universality in Glass Transitions

Version 1 : Received: 22 September 2018 / Approved: 24 September 2018 / Online: 24 September 2018 (12:44:06 CEST)

A peer-reviewed article of this Preprint also exists.


The Vogel-Fulcher-Tammann equation is exposed as a particular example of the mean field theory. It is generalized by taking into account an arbitrary critical exponent of susceptibility, discriminating between different classes of universality. The Bell-Evans-Polanyi principle is employed to estimate the difference between the activation energies of flows in crystals and glasses, which appears to coincide with the excess Gibbs energy of the glass compared to the crystal.


glass transitions, universality, Bell-Evans-Polanyi principle


Chemistry and Materials Science, Physical Chemistry

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