Relationship between non-exponentiality of relaxation and relaxation time at the glass transition

Details Relationship between non-exponentiality of relaxation and relaxation time at the glass transition Relationship between non-exponentiality of relaxation and relaxation time at the glass transition

2007-07-03

arxiv.org/abs/0707.0416v1

See J. Phys. Chem. B 112, 5111 (2008)

Physics

Condensed Matter

Disordered Systems and Neural Networks

Scientific paper

By analyzing the experimental data for various glass-forming liquids and polymers, we find that non-exponentiality $\beta$ and the relaxation time $\tau$ are uniquely related: $\log(\tau)$ is an approximately linear function of $1/\beta$, followed by a crossover to a higher linear slope. We rationalize the observed relationship using a recently developed approach, in which the problem of the glass transition is discussed as the elasticity problem.

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