GSTDTAP  > 资源环境科学
DOI10.1038/s41467-019-13790-2
Quantitative earthquake-like statistical properties of the flow of soft materials below yield stress
Bera, P. K.1; Majumdar, S.2; Ouillon, G.3; Sornette, D.4,5,6,7; Sood, A. K.1
2020-01-07
发表期刊NATURE COMMUNICATIONS
ISSN2041-1723
出版年2020
卷号11期号:1
文章类型Article
语种英语
国家India; France; Switzerland; Peoples R China
英文摘要

The flow behavior of soft materials below the yield stress can be rich and is not fully understood. Here, we report shear-stress-induced reorganization of three-dimensional solid-like soft materials formed by closely packed nematic domains of surfactant micelles and a repulsive Wigner glass formed by anisotropic clay nano-discs having ionic interactions. The creep response of both the systems below the yield stress results in angular velocity fluctuations of the shearing plate showing large temporal burst-like events that resemble seismic foreshocks-aftershocks data measuring the ground motion during earthquake avalanches. We find that the statistical properties of the quake events inside such a burst map on to the scaling relations for magnitude and frequency distribution of earthquakes, given by Gutenberg-Richter and Omori laws, and follow a power-law distribution of the inter-occurrence waiting time. In situ polarized optical microscopy reveals that during these events the system self-organizes to a much stronger solid-like state.


领域地球科学 ; 气候变化 ; 资源环境
收录类别SCI-E
WOS记录号WOS:000511952000003
WOS关键词STICK-SLIP ; BEHAVIOR ; LAW
WOS类目Multidisciplinary Sciences
WOS研究方向Science & Technology - Other Topics
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文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/249941
专题资源环境科学
作者单位1.Indian Inst Sci, Dept Phys, Bangalore 560012, Karnataka, India;
2.Raman Res Inst, Bangalore 560080, Karnataka, India;
3.Lithophyse, 4 Rue Ancien Senat, F-06300 Nice, France;
4.Swiss Fed Inst Technol, D MTEC, Scheuzerstr 7, CH-8092 Zurich, Switzerland;
5.Swiss Fed Inst Technol, Dept Phys, Scheuzerstr 7, CH-8092 Zurich, Switzerland;
6.Swiss Fed Inst Technol, Dept Earth Sci, Scheuzerstr 7, CH-8092 Zurich, Switzerland;
7.Southern Univ Sci & Technol, Acad Adv Interdisciplinary Studies, Inst Risk Anal Predict & Management, Shenzhen 518055, Peoples R China
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GB/T 7714
Bera, P. K.,Majumdar, S.,Ouillon, G.,et al. Quantitative earthquake-like statistical properties of the flow of soft materials below yield stress[J]. NATURE COMMUNICATIONS,2020,11(1).
APA Bera, P. K.,Majumdar, S.,Ouillon, G.,Sornette, D.,&Sood, A. K..(2020).Quantitative earthquake-like statistical properties of the flow of soft materials below yield stress.NATURE COMMUNICATIONS,11(1).
MLA Bera, P. K.,et al."Quantitative earthquake-like statistical properties of the flow of soft materials below yield stress".NATURE COMMUNICATIONS 11.1(2020).
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