Emergence of a random field at the yielding transition of a mean-field elasto-plastic model. (1st September 2022)

• Record Type: Journal Article
• Authors: Rossi, Saverio; Tarjus, Gilles
• Is Part Of: Journal of statistical mechanics. (2022:Sep.)
• Publication Date: 2022-09-01
• Subjects: avalanches -- glasses (structural) -- plasticity; Statistical mechanics -- Periodicals; Mechanics -- Statistical methods -- Periodicals; 530.1305
• DOI: 10.1088/1742-5468/ac8741
• Languages: English
• ISSNs: 1742-5468

Abstract

Abstract: We study the mean-field limit of an elasto-plastic model introduced to describe the yielding transition of athermally and quasi-statically sheared amorphous solids. We focus on the sample-to-sample fluctuations, which we characterize analytically, and investigate in detail the analogy with the athermally driven random-field Ising model. We stress that the random field at the yielding transition is an emerging disorder and we investigate the various factors that determine its strength.