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Critical behavior of the specific heat in glass formers



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Fernández Pérez, Luis Antonio and Martín Mayor, Víctor and Verrocchio, P. (2006) Critical behavior of the specific heat in glass formers. Physical review E, 73 (2). ISSN 1539-3755

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Official URL: http://doi.org/10.1103/PhysRevE.73.020501


We show numeric evidence that, at low enough temperatures, the potential energy density of a glass-forming liquid fluctuates over length scales much larger than the interaction range. We focus on the behavior of translationally invariant quantities. The growing correlation length is unveiled by studying the finite-size effects. In the thermodynamic limit, the specific heat and the relaxation time diverge as a power law. Both features point towards the existence of a critical point in the metastable supercooled liquid phase.

Item Type:Article
Additional Information:

© 2006 The American Physical Society. We thank R. de Nalda, T.S. Grigera, G. Parisi, and C. Toninelli for discussions. P.V. was supported by the EC Contract No. MCFI-2002-01262. We were partly supported by MEC Spain, through Contracts Nos. BFM2003-08532, FIS2004-05073, and FPA2004-02602. The total CPU time devoted to the simulation carried out at BIFI PC clusters amounts to ten years of 3 GHz Pentium IV.

Uncontrolled Keywords:Supercooled liquids; Transition; Model; Dependence; Energy; Length.
Subjects:Sciences > Physics
Sciences > Physics > Physics-Mathematical models
ID Code:38332
Deposited On:05 Jul 2016 08:22
Last Modified:05 Jul 2016 08:22

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