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Explore a microstructural rheological model for transient creep in polycrystalline ice through this 45-minute conference talk delivered at the Kavli Institute for Theoretical Physics. Delve into the complex behavior of Earth materials that exist in a fuzzy state between solid and fluid, examining how ice and other geological materials exhibit soft matter physics phenomena including glassy dynamics, strain localization, memory encoding in microstructure, and complex yielding behaviors. Learn how recent research bridges geophysics and soft matter physics to advance understanding in both fields, with particular focus on the novel challenges presented by the mixtures, excitations, geometries and scales associated with soft Earth problems. Discover insights into creep and yielding mechanisms in amorphous materials, multi-scale dynamics of earth materials, and theoretical approaches to understanding transport phenomena relevant to landslides, earthquakes, erosion, and glacial processes. Gain understanding of how microstructural changes influence the rheological properties of polycrystalline ice during transient creep deformation, contributing to broader knowledge of soft matter landscapes and their geophysical applications.
