Prigogine-Defay ratio: Difference between revisions

Latest revision as of 16:21, 23 March 2012

The Prigogine-Defay ratio^[1] is given by (Eq. 1 of ^[2]):

\Pi ={\frac {1}{VT}}\left.{\frac {\Delta C_{p}\Delta k}{(\Delta \alpha )^{2}}}\right|_{T=T_{g}}

where $V$ is the volume, $T$ is the temperature, $T_{g}$ is the temperature of the glass transition, $C_{p}$ is the isobaric heat capacity, $k$ is the compressibility and $\alpha$ is the thermal expansion coefficient.

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 ;Related reading
 *[http://dx.doi.org/10.1063/1.2969899 R. M. Pick "The Prigogine–Defay ratio and the microscopic theory of supercooled liquids", Journal of Chemical Physics '''129''' 124115 (2008)]
-*[http://dx.doi.org/10.1063/1.3664180 R. Casalini, R. F. Gamache, and C. M. Roland "-scaling and the Prigogine–Defay ratio in liquids", Journal of Chemical Physics '''135''' 224501 (2011)]
+*[http://dx.doi.org/10.1063/1.3664180 R. Casalini, R. F. Gamache, and C. M. Roland "Density-scaling and the Prigogine–Defay ratio in liquids", Journal of Chemical Physics '''135''' 224501 (2011)]
+*[http://dx.doi.org/10.1063/1.3694531 Timur V. Tropin, Jürn W. P. Schmelzer, Ivan Gutzow, and Christoph Schick "On the theoretical determination of the Prigogine-Defay ratio in glass transition", Journal of Chemical Physics '''136''' 124502 (2012)]
 [[Category: Complex systems]]