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arXiv 1602.00876cond-mat.stat-mechcond-mat.soft
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三维干扰渗流中的干扰与屏蔽

Jamming vs. Caging in Three Dimensional Jamming Percolation

Nimrod Segall, Eial Teomy, Yair Shokef

摘要:

我们研究了一个三维动力学约束模型,该模型在不同密度下表现出两种类型的相变。在阻塞密度$ ρ_J $下,存在混合阶相变,其中有限部分的颗粒变为冻结的,但其它颗粒仍可以扩散遍及系统。在笼化密度$ ρ_C > ρ_J $下,移动颗粒被捕获在有限笼中并且不再扩散。由于未冻结的网站的渗流过渡的笼化转变发生,我们数值计算发现,这是一个连续的过渡与随机渗流相同的临界指数。

英文摘要:

We investigate a three-dimensional kinetically-constrained model that exhibits two types of phase transitions at different densities. At the jamming density $ ρ_J $ there is a mixed-order phase transition in which a finite fraction of the particles become frozen, but the other particles may still diffuse throughout the system. At the caging density $ ρ_C > ρ_J $, the mobile particles are trapped in finite cages and no longer diffuse. The caging transition occurs due to a percolation transition of the unfrozen sites, and we numerically find that it is a continuous transition with the same critical exponents as random percolation.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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