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Multiperiodic orbits from interacting soft spots in cyclically sheared amorphous solids
2021
Science Advances
When an amorphous solid is deformed cyclically, it may reach a steady state in which the paths of constituent particles trace out closed loops that repeat in each driving cycle. A remarkable variant has been noticed in simulations where the period of particle motions is a multiple of the period of driving, but the reasons for this behavior have remained unclear. Motivated by mesoscopic features of displacement fields in experiments on jammed solids, we propose and analyze a simple model of
doi:10.1126/sciadv.abg7685
fatcat:hymyqoxsj5asrdzfc2eip7vkxy