Memory in aged granular media

被引：21
|
作者：
Barrat, A
Loreto, V
机构：
[1] Univ Paris Sud, UMR 8627, Phys Theor Lab, F-91405 Orsay, France
[2] Univ Rome, Dipartimento Fis, I-00185 Rome, Italy
[3] INFM, Unita Roma 1, Rome, Italy
来源：
EUROPHYSICS LETTERS | 2001年 / 53卷 / 03期
关键词：
D O I：
10.1209/epl/i2001-00100-3
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
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.
引用
收藏
页码：297 / 303
页数：7
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