Cluster algorithm for hard spheres and related systems

Cluster algorithm for hard spheres and related systems
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硬球及相关系统的聚类算法

DOI：
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发表时间：
1995
期刊：
影响因子：
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通讯作者：
W. Krauth
W. Krauth
中科院分区：
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文献类型：
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作者：
C. Dress;W. Krauth

文献摘要

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在本文中，我们提出了一个集群算法的模拟硬球和相关系统。在该算法中，配置的副本相对于随机选择的枢轴点旋转。然后将两个系统叠加，并将联合系统中的重叠球体群隔离。这些集群中的每一个都可以独立地“翻转”，这是一个在原始配置中产生非本地移动的过程。该算法的推广（在小密度下工作得很好）可以成功地在二维硬球系统中的固-液转变点附近的密度下工作。
In this paper, we present a cluster algorithm for the simulation of hard spheres and related systems. In this algorithm, a copy of the configuration is rotated with respect to a randomly chosen pivot point. The two systems are then superposed, and clusters of overlapping spheres in the joint system are isolated. Each of these clusters can be `flipped` independently, a process which generates non-local moves in the original configuration. A generalization of this algorithm (which works perfectly well at small density) can be made to work successfully at densities around the solid-liquid transition point in the two-dimensional hard-sphere system.