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Título

Universal relation between viscous flow and fast dynamics in glass-forming materials

AutorCangialosi, Daniele
Fecha de publicación2010
EditorAmerican Physical Society
CitaciónPhysical Review B 81(10): 100202 (2010)
ResumenThe connection between viscous flow and vibrational properties in glass-forming materials is scrutinized examining the fragility of a wide set of liquids and the nonergodicity factor of the corresponding glasses. Building on the same line of reasoning which allows us to extend the connection between viscosity and thermodynamics in complex systems, we show here how the two quantities are strongly correlated once the effect of those secondary relaxation processes due to internal degrees of freedom is correctly accounted for. This result provides a missing thermodynamic rationale for the recently debated universality of the correlation between fast and slow degrees of freedom.
Descripción4 páginas, 3 figuras.-- PACS number(s): 64.70.kj, 61.05.C-, 63.50.-x, 64.70.Q-.-- et al.
Versión del editorhttp://dx.doi.org/10.1103/PhysRevB.81.100202
URIhttp://hdl.handle.net/10261/44145
DOI10.1103/PhysRevB.81.100202
ISSN1098-0121
E-ISSN1550-235X
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