Stimulated by recent experimental results, we simulate "temperature"-cycling experiments in a model for the compaction of granular media. We report on the existence of two types of memory effects: short-term dependence on the history of the sample, and longterm memory for highly compact (aged) systems. A natural interpretation of these results is provided by the analysis of the density heterogeneities.
Memory in aged granular media / A., Barrat; Loreto, Vittorio. - In: EUROPHYSICS LETTERS. - ISSN 0295-5075. - 53:3(2001), pp. 297-303. [10.1209/epl/i2001-00100-3]
Memory in aged granular media
LORETO, Vittorio
2001
Abstract
Stimulated by recent experimental results, we simulate "temperature"-cycling experiments in a model for the compaction of granular media. We report on the existence of two types of memory effects: short-term dependence on the history of the sample, and longterm memory for highly compact (aged) systems. A natural interpretation of these results is provided by the analysis of the density heterogeneities.File allegati a questo prodotto
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