期刊
EPL
卷 86, 期 1, 页码 -出版社
EDP SCIENCES S A
DOI: 10.1209/0295-5075/86/10001
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资金
- University of Chicago
- Argonne National Laboratory
We use molecular dynamics to investigate the glass transition occurring at large volume fraction,., and low temperature, T, in assemblies of soft repulsive particles. We find that equilibrium dynamics in the (phi, T)-plane obey a form of dynamic scaling in the proximity of a critical point at T = 0 and phi = phi(0), which should correspond to the ideal glass transition of hard spheres. This glass point, point G, is distinct from athermal jamming thresholds. A remarkable consequence of scaling behaviour is that the dynamics at fixed phi passes smoothly from that of a strong glass to that of a very fragile glass as. increases beyond phi(0). Correlations between fragility and various physical properties are explored. Copyright (C) EPLA, 2009
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