Temperature cycling during the aging of a polymer glass

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Temperature cycling is used to study of aging properties of PMMA dielectric constant. If a negative temperature cycle is applied during the aging time the relaxation dynamics is just delayed for a time equal to the cycle period. In contrast this time shifting procedure cannot be applied to positive temperature cycles . The analogies and differences with similar experiments done in other aging systems, such as spin glasses, orientational glasses and supercooled liquids, are discussed.
6 pages, 4 figures, submitted to Europhysics Letters

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Condensed Matter

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http://salesiana.dossiersoluciones.com/handle/123456789/29299

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/9905160
 http://arxiv.org/abs/cond-mat/9905160

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arXiv