Anisotropic Power Law Strain Correlations in Sheared Amorphous 2D Solids
- Department of Civil and Environmental Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213 (United States)
- Department of Physics and Astronomy, Johns Hopkins University, Baltimore, Maryland 21218 (United States)
The local deformation of steadily sheared two-dimensional Lennard-Jones glasses is studied via computer simulations at zero temperature. In the quasistatic limit, spatial correlations in the incremental strain field are highly anisotropic. The data show power law behavior with a strong angular dependence of the scaling exponent, and the strongest correlations along the directions of maximal shear stress. These results support the notion that the jamming transition at the onset of flow is critical, but suggest unusual critical behavior. The predicted behavior is testable through experiments on sheared amorphous materials such as bubble rafts, foams, emulsions, granular packings, and other systems where particle displacements can be tracked.
- OSTI ID:
- 21325534
- Journal Information:
- Physical Review Letters, Vol. 102, Issue 22; Other Information: DOI: 10.1103/PhysRevLett.102.225502; (c) 2009 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 0031-9007
- Country of Publication:
- United States
- Language:
- English
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