Universal fluctuations in the relaxation of structural glasses

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The presence of strong local fluctuations -- dynamical heterogeneities -- has been observed near the glass transitions of a wide variety of materials. Here we explore the possible presence of universality in those fluctuations. We compare the statistical properties of fluctuations obtained from numerical simulations of four different glass-forming systems: two polymer systems and two particle systems. We find strong evidence for universality, both in the qualitative behavior of the fluctuations and in the remarkable agreement of the scaling functions describing them.
5 pages, 4 figures

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Disordered Systems and Neural Networks, Soft Condensed Matter, Statistical Mechanics

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http://salesiana.dossiersoluciones.com/handle/123456789/174545

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0811.3190
 http://arxiv.org/abs/0811.3190

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arXiv