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arXiv 2203.06150cond-mat.stat-mech
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加权平面随机格上的接触过程

Contact Process on Weighted Planar Stochastic Lattice

Sidiney G. Alves, Marcelo M. de Oliveira

摘要:

研究了加权平面随机格点上接触过程中的吸收态相变。WPS格子是多重分形的。它的对偶网络具有幂律度分布函数,并且也嵌入在二维空间中。此外,它代表了一种新的方式来引入晶格模型中的配位无序。我们使用大量的模拟研究了无序系统的临界行为。我们的研究结果表明,临界行为是不同于一个规则的晶格,这表明它属于不同的普适类。我们计算了控制键涨落的指数,我们的结果与Harris-Barghathi-Vojta判据一致。

英文摘要:

We study the absorbing state phase transition in the contact process on the Weighted Planar Stochastic (WPS) Lattice. The WPS lattice is multifractal. Its dual network has a power-law degree distribution function and is also embedded in a bidimensional space. Moreover, it represents a novel way to introduce coordination disorder in lattice models. We investigated the critical behavior of the disordered system using extensive simulations. Our results show the critical behavior is distinct from that on a regular lattice, suggesting it belongs to a different universality class. We evaluate the exponent governing the bond fluctuations and our results agree with the Harris-Barghathi-Vojta criterium for relevant fluctuations.

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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