Elastic models for the Non-Arrhenius Relaxation Time of Glass-Forming Liquids

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Abstract

We first review the phenomenology of viscous liquids and the standard models used for explaining the non-Arrhenius average relaxation time. Then the focus is turned to the so-called elastic models, arguing that these models are all equivalent in the Einstein approximation (where the short-time elastic properties are all determined by just one effective, temperature-dependent force constant). We finally discuss the connection between the elastic models and two well-established research fields of condensed-matter physics: point defects in crystals and solid-state diffusion.
OriginalsprogEngelsk
TitelFlow dynamics : The Second International Conference on Flow Dynamics
Vol/bind832
ForlagAmerican Institute of Physics
Publikationsdato2006
Sider113-117
ISBN (Trykt)0-7354-0324-4
StatusUdgivet - 2006

Citer dette

Dyre, J. C. (2006). Elastic models for the Non-Arrhenius Relaxation Time of Glass-Forming Liquids. I Flow dynamics: The Second International Conference on Flow Dynamics (Bind 832, s. 113-117). American Institute of Physics. http://milne.ruc.dk/~dyre/2006_AIP_Conf_Proc_832_113.pdf