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arXiv 2106.14992cond-mat.stat-mech
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分形液体的连通性渗流

Connectedness percolation of fractal liquids

René de Bruijn, Paul van der Schoot

摘要:

我们将连通性渗流理论应用于硬颗粒分形液体,并利用Percus-Yevick液态理论结合几何连通性准则。我们发现,在分形维数的渗流阈值插值连续整数维值之间,并且它随着(分形)维数的增加而单调下降。核心交互作用的影响仅对三个维度以下的维度具有显著性。最后,我们的理论错误地表明,渗流阈值是不存在低于约两个维度,我们归因于故障的连通性打击Yevick封闭。

英文摘要:

We apply connectedness percolation theory to fractal liquids of hard particles, and make use of a Percus-Yevick liquid state theory combined with a geometric connectivity criterion. We find that in fractal dimensions the percolation threshold interpolates continuously between integer-dimensional values, and that it decreases monotonically with increasing (fractal) dimension. The influence of hard-core interactions is only significant for dimensions below three. Finally, our theory incorrectly suggests that a percolation threshold is absent below about two dimensions, which we attribute to the breakdown of the connectedness Percus-Yevick closure.

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