期刊
PHYSICAL REVIEW LETTERS
卷 114, 期 1, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.114.015701
关键词
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资金
- KAKENHI from MEXT, Japan [25103005, 50335337]
- JPS
- European Research Council through ERC Grants [247328]
- NPRGGLASS
- Grants-in-Aid for Scientific Research [24540403, 25103005] Funding Source: KAKEN
We consider the adiabatic evolution of glassy states under external perturbations. The formalism we use is very general. Here we use it for infinite-dimensional hard spheres where an exact analysis is possible. We consider perturbations of the boundary, i.e., compression or (volume preserving) shear strain, and we compute the response of glassy states to such perturbations: pressure and shear stress. We find that both quantities overshoot before the glass state becomes unstable at a spinodal point where it melts into a liquid (or yields). We also estimate the yield stress of the glass. Finally, we study the stability of the glass basins towards breaking into sub-basins, corresponding to a Gardner transition. We find that close to the dynamical transition, glasses undergo a Gardner transition after an infinitesimal perturbation.
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