Emergence of a random field at the yielding transition of a mean-field elasto-plastic model
JOURNAL OF STATISTICAL MECHANICS-THEORY AND EXPERIMENT(2022)
摘要
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.
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关键词
avalanches, glasses (structural), plasticity
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