期刊
PHYSICAL REVIEW LETTERS
卷 119, 期 19, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.119.195501
关键词
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资金
- Swiss National Science Foundation [200021-165509]
- Simons Foundation [454953]
- Royal Society
- Swiss National Science Foundation (SNF) [200021_165509] Funding Source: Swiss National Science Foundation (SNF)
Several theories of the glass transition propose that the structural relaxation time tau(alpha) is controlled by a growing static length scale. that is determined by the free energy landscape but not by the local dynamic rules governing its exploration. We argue, based on recent simulations using particle-radius-swap dynamics, that only a modest factor in the increase in ta on approach to the glass transition may stem from the growth of a static length, with a vastly larger contribution attributable, instead, to a slowdown of local dynamics. This reinforces arguments that we base on the observed strong coupling of particle diffusion and density fluctuations in real glasses.
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