Thermodynamic Casimir forces between a sphere and a plate: Monte Carlo simulation of a spin model.
Thermodynamic Casimir forces between a sphere and a plate: Monte Carlo simulation of a spin model.
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球体和板之间的热力学卡西米尔力：自旋模型的蒙特卡罗模拟
DOI：
10.1103/physreve.87.022130
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发表时间：
2013
期刊：
影响因子：
--
通讯作者：
M. Hasenbusch
中科院分区：
文献类型：
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作者：
M. Hasenbusch
研究了球形物体与平板之间的热力学Casimir力。我们考虑的三维伊辛模型，这是相关的二元混合物的实验中的散装普适性类。为此，我们模拟改进的Blume-Capel模型。按照Hucht的方法，我们通过在温度倒数上积分能量差来计算力。我们证明，这些能量差可以有效地计算通过使用一个特定的聚类算法。我们的数值计算结果的强对称性破缺边界条件进行了比较与Derjaguin近似的小距离和小球的大距离之间的球和板的展开。
We study the thermodynamic Casimir force between a spherical object and a plate. We consider the bulk universality class of the three-dimensional Ising model, which is relevant for experiments on binary mixtures. To this end, we simulate the improved Blume-Capel model. Following Hucht, we compute the force by integrating energy differences over the inverse temperature. We demonstrate that these energy differences can be computed efficiently by using a particular cluster algorithm. Our numerical results for strongly symmetry breaking boundary conditions are compared with the Derjaguin approximation for small distances and the small sphere expansion for large distances between the sphere and the plate.
胶体模型系统中的克里蒂斯彻卡西米尔效应
DOI：
--
发表时间：
2012
期刊：
影响因子：
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作者：
Olga Valerevna Zvyagolskaya
通讯作者：
Olga Valerevna Zvyagolskaya