期刊
EPL
卷 100, 期 1, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1209/0295-5075/100/10004
关键词
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资金
- DFG [DI 378/5]
- Belarusian Foundation for Fundamental Research
- [HA 3150/2-2]
The limit n -> infinity of the classical O(n) phi(4) model on a 3d film with free surfaces is studied. Its exact solution involves a self-consistent 1d Schrodinger equation, which is solved numerically for a partially discretized as well as for a fully discrete lattice model. Extremely precise results are obtained for the scaled Casimir force at all temperatures. Obtained via a single framework, they exhibit all relevant qualitative features of the thermodynamic Casimir force known from wetting experiments on He-4 and Monte Carlo simulations, including a pronounced minimum below the bulk critical point. Copyright (c) EPLA, 2012
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