Avalanche criticality emerges by thermal fluctuation in a quiescent glass
Soft Condensed Matter
2024-09-25 v1 Disordered Systems and Neural Networks
Statistical Mechanics
Abstract
We report avalanche criticality of thermal relaxation in glassy systems after a rapid quench by molecular simulation. Our analysis of the energy landscape and the scaling reveals that particle rearrangement is critical. The critical phenomenon has the same origin as avalanches in sheared amorphous solids, but the critical exponent differs from previously observed. Our results suggest that by viewing a glass as a thermally driven elastoplastic material, we can understand dynamics below the glass transition point, such as aging.
Cite
@article{arxiv.2409.15775,
title = {Avalanche criticality emerges by thermal fluctuation in a quiescent glass},
author = {Yuki Takaha and Hideyuki Mizuno and Atsushi Ikeda},
journal= {arXiv preprint arXiv:2409.15775},
year = {2024}
}
Comments
6 pages, 4 figures + 5 pages, 6 figures in Supplemental Material