期刊
EPL
卷 101, 期 6, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1209/0295-5075/101/66005
关键词
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资金
- NSF [CHE 0909676]
- Direct For Mathematical & Physical Scien
- Division Of Chemistry [0909676] Funding Source: National Science Foundation
We propose a simple mode-coupling theory for glassy dynamics of partially pinned fluids. Our approach is different from the mode-coupling theory developed by Krakoviack (Phys. Rev. Lett., 94 (2005) 065703; Phys. Rev. E, 84 (2011) 050501(R)). In contrast to Krakoviack's theory, our approach predicts a random pinning glass transition scenario that is qualitatively the same as the scenario obtained using a mean-field analysis of the spherical p-spin model and a mean-field version of the random first-order transition theory. We use our approach to calculate quantities which are considered to be indicators of growing dynamic correlations and static point-to-set correlations. We find that the so-called static overlap is dominated by the simple, low pinning fraction contribution. Thus, at least for randomly pinned fluid systems, only a careful quantitative analysis of simulation results can reveal genuine, many-body point-to-set correlations. Copyright (C) EPLA, 2013
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