期刊
PHYSICAL REVIEW LETTERS
卷 110, 期 21, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.110.215701
关键词
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资金
- Helmholtz Gemeinschaft [HGF VH-NG 406]
- Zukunftskolleg der Universitat Konstanz
- DFG [KR 3844/2-1, FOR 1394, SFB-TR6]
- Thales Project Covisco
- EU project ESMI
The history dependence of glasses formed from flow-melted steady states by a sudden cessation of the shear rate (gamma) over dot is studied in colloidal suspensions, by molecular dynamics simulations and by mode-coupling theory. In an ideal glass, stresses relax only partially, leaving behind a finite persistent residual stress. For intermediate times, relaxation curves scale as a function of (gamma) over dott, even though no flow is present. The macroscopic stress evolution is connected to a length scale of residual liquefaction displayed by microscopic mean-squared displacements. The theory describes this history dependence of glasses sharing the same thermodynamic state variables but differing static properties.
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