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Spatiotemporal Organization of Correlated Local Activity within Global Avalanches in Slowly Driven Interfaces

Abstract: We study the jerky response of slowly driven fronts in disordered media, just above the depinning transition. We focus on how spatially disconnected clusters of internally correlated activity lead to largescale velocity fluctuations in the form of global avalanches and identify three different ways in which local activity clusters may organize within a global avalanche, depending on the distance to criticality. Our analysis provides new scaling relations between the power-law exponents of the statistical distributions of sizes and durations of local bursts and global avalanches. Fluid fronts of imbibition in heterogeneous media are taken as a case study to validate these scaling relations.

Otras publicaciones de la misma revista o congreso con autores/as de la Universidad de Cantabria

 Fuente: Physical Review Letters 121, 034101 (2018)

Editorial: American Physical Society

 Fecha de publicación: 01/07/2018

Nº de páginas: 6

Tipo de publicación: Artículo de Revista

 DOI: 10.1103/PhysRevLett.121.034101

ISSN: 0031-9007,1079-7114

Proyecto español: FIS2016-74957-P ; MAT2015-69-777-REDT ; FIS2016-78507-C2-2-P

Url de la publicación: https://doi.org/10.1103/PhysRevLett.121.034101