Comment on “On the theoretical determination of the Prigogine-Defay ratio in glass transition” [J. Chem. Phys. 136, 124502 (2012)] | Zendy

JeanLuc Garden | Zendy; Hervé Guillou | Zendy; Jacques Richard | Zendy

Open Access

Comment on “On the theoretical determination of the Prigogine-Defay ratio in glass transition” [J. Chem. Phys. 136, 124502 (2012)]

Author(s) -

JeanLuc Garden,

Hervé Guillou,

Jacques Richard

Publication year - 2013

Publication title -

the journal of chemical physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.071

H-Index - 357

eISSN - 1089-7690

pISSN - 0021-9606

DOI - 10.1063/1.4790648

Subject(s) - thermodynamics , order (exchange) , glass transition , physics , statistical physics , economics , polymer , nuclear magnetic resonance , finance

International audienceGenerally, experimentally determined values of the Prigogine-Defay (PD) ratio are different from unity. This can be explained if one considers that more than one single order parameter are involved in the thermodynamics of the glass transition process. Against the consensual view, Tropin et al. demonstrated that PD ratios can be different from unity even if one single order parameter is involved. This "Comment" aims to discuss fundamental mistakes leading to this conclusion in the recent article "On the theoretical determination of the Prigogine-Defay ratio in glass transition" [ J. Chem. Phys. 136, 124502 (2012)] by Tropin et al

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