Fluctuations and correlations in sandpile models

被引：10

作者：

Barrat, A

Vespignani, A

Zapperi, S

机构：

[1] Univ Paris 11, Phys Theor Lab, UMR 8627, F-91405 Orsay, France

[2] Int Ctr Theoret Phys, I-34100 Trieste, Italy

[3] Ecole Super Phys & Chim Ind Ville Paris, PMMH, F-75231 Paris, France

来源：

PHYSICAL REVIEW LETTERS | 1999年 / 83卷 / 10期

关键词：

D O I：

10.1103/PhysRevLett.83.1962

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We perform numerical simulations of the sandpile model for nonvanishing driving fields it and dissipation rates epsilon. Unlike simulations performed in the slow driving limit, the unique time scale present in our system allows us to measure unambiguously the response and correlation functions. We discuss the dynamic scaling of the model and show that fluctuation-dissipation relations are not obeyed in this system.

引用

页码：1962 / 1965

页数：4

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