Statistical Similarity between the Compression of a Porous Material and Earthquakes

被引：225

作者：

Baro, Jordi ^{[1
]}

Corral, Alvaro ^{[2
]}

Illa, Xavier ^{[1
]}

Planes, Antoni ^{[1
]}

Salje, Ekhard K. H. ^{[3
]}

Schranz, Wilfried ^{[4
]}

Soto-Parra, Daniel E. ^{[5
]}

Vives, Eduard ^{[1
]}

机构：

[1] Univ Barcelona, Fac Fis, Dept Estruct & Constituents Mat, E-08028 Barcelona, Catalonia, Spain

[2] Ctr Recerca Matemat, E-08193 Bellaterra, Catalonia, Spain

[3] Univ Cambridge, Dept Earth Sci, Cambridge CB2 3EQ, England

[4] Univ Vienna, Fac Phys, A-1090 Vienna, Austria

[5] IPICYT, Div Mat Avanzados, San Luis Potosi, Mexico

来源：

PHYSICAL REVIEW LETTERS | 2013年 / 110卷 / 08期

基金：

英国工程与自然科学研究理事会; 奥地利科学基金会;

关键词：

SIZE DISTRIBUTION; POWER-LAW; MODELS; AFTERSHOCKS; PHYSICS;

D O I：

10.1103/PhysRevLett.110.088702

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

It has long been stated that there are profound analogies between fracture experiments and earthquakes; however, few works attempt a complete characterization of the parallels between these so separate phenomena. We study the acoustic emission events produced during the compression of Vycor (SiO2). The Gutenberg-Richter law, the modified Omori's law, and the law of aftershock productivity hold for a minimum of 5 decades, are independent of the compression rate, and keep stationary for all the duration of the experiments. The waiting-time distribution fulfills a unified scaling law with a power-law exponent close to 2.45 for long times, which is explained in terms of the temporal variations of the activity rate. DOI: 10.1103/PhysRevLett.110.088702

引用

页数：5

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