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We present a method of general applicability for finding exact or accurate approximations to bond percolation thresholds for a wide class of lattices. To every lattice we sytematically associate a polynomial, the root of which in $[0,1]$ is…

Statistical Mechanics · Physics 2015-05-14 Christian R. Scullard , Robert M. Ziff

We present percolation thresholds calculated numerically with the eigenvalue formulation of the method of critical polynomials; developed in the last few years, it has already proven to be orders of magnitude more accurate than traditional…

Mathematical Physics · Physics 2020-03-04 Christian R. Scullard , Jesper Lykke Jacobsen

Every lattice for which the bond percolation critical probability can be found exactly possesses a critical polynomial, with the root in [0,1] providing the threshold. Recent work has demonstrated that this polynomial may be generalized…

Disordered Systems and Neural Networks · Physics 2013-05-30 Christian R. Scullard

We present a general method for predicting bond percolation thresholds and critical surfaces for a broad class of two-dimensional periodic lattices, reproducing many known exact results and providing excellent approximations for several…

Disordered Systems and Neural Networks · Physics 2009-11-13 Christian R. Scullard , Robert M. Ziff

Here we show how the recent exact determination of the bond percolation threshold for the martini lattice can be used to provide approximations to the unsolved kagom\'e and (3,12^2) lattices. We present two different methods, one of which…

Disordered Systems and Neural Networks · Physics 2009-11-11 Christian R. Scullard , Robert M. Ziff

Although every exactly known bond percolation critical threshold is the root in $[0,1]$ of a lattice-dependent polynomial, it has recently been shown that the notion of a critical polynomial can be extended to any periodic lattice. The…

Statistical Mechanics · Physics 2015-06-05 Christian R. Scullard

We study the percolation critical surface of the kagome lattice in which each triangle is allowed an arbitrary connectivity. Using the method of critical polynomials, we find points along this critical surface to high precision. This kagome…

Statistical Mechanics · Physics 2020-09-07 Christian R. Scullard , Jesper Lykke Jacobsen , Robert M. Ziff

The hull-gradient method is used to determine the critical threshold for bond percolation on the two-dimensional Kagome lattice (and its dual, the dice lattice). For this system, the hull walk is represented as a self-avoiding trail, or…

Disordered Systems and Neural Networks · Physics 2009-10-30 Robert M. Ziff , Paul N. Suding

Percolation thresholds have recently been studied by means of a graph polynomial $P_B(p)$, henceforth referred to as the critical polynomial, that may be defined on any periodic lattice. The polynomial depends on a finite subgraph $B$,…

Statistical Mechanics · Physics 2012-09-10 Christian R. Scullard , Jesper Lykke Jacobsen

The critical curves of the q-state Potts model can be determined exactly for regular two-dimensional lattices G that are of the three-terminal type. Jacobsen and Scullard have defined a graph polynomial P_B(q,v) that gives access to the…

Statistical Mechanics · Physics 2015-07-16 Jesper Lykke Jacobsen

We study bond percolation on several four-dimensional (4D) lattices, including the simple (hyper) cubic (SC), the SC with combinations of nearest neighbors and second nearest neighbors (SC-NN+2NN), the body-centered cubic (BCC), and the…

Disordered Systems and Neural Networks · Physics 2020-01-28 Zhipeng Xun , Robert M. Ziff

We give a conditional derivation of the inhomogeneous critical percolation manifold of the bow-tie lattice with five different probabilities, a problem that does not appear at first to fall into any known solvable class. Although our…

Disordered Systems and Neural Networks · Physics 2015-06-11 Robert M. Ziff , Christian R. Scullard , John C. Wierman , Matthew R. A. Sedlock

We study bond percolation on the simple cubic (SC) lattice with various combinations of first, second, third, and fourth nearest-neighbors by Monte Carlo simulation. Using a single-cluster growth algorithm, we find precise values of the…

Disordered Systems and Neural Networks · Physics 2020-07-08 Zhipeng Xun , Robert M. Ziff

In a recent paper (arXiv:0911.2514), one of us (FYW) considered the Potts model and bond and site percolation on two general classes of two-dimensional lattices, the triangular-type and kagome-type lattices, and obtained closed-form…

Statistical Mechanics · Physics 2010-06-11 Chengxiang Ding , Zhe Fu , Wenan Guo , F. Y. Wu

Extensive Monte-Carlo simulations were performed in order to determine the precise values of the critical thresholds for site ($p^{hcp}_{c,S} = 0.199 255 5 \pm 0.000 001 0$) and bond ($p^{hcp}_{c,B} = 0.120 164 0 \pm 0.000 001 0$)…

Disordered Systems and Neural Networks · Physics 2007-05-23 Christian D. Lorenz , Raechelle May , Robert M. Ziff

We simulate the bond and site percolation models on a simple-cubic lattice with linear sizes up to L=512, and estimate the percolation thresholds to be $p_c ({\rm bond})=0.248\,811\,82(10)$ and $p_c ({\rm site})=0.311\,607\,7(2)$. By…

Statistical Mechanics · Physics 2015-06-12 Junfeng Wang , Zongzheng Zhou , Wei Zhang , Timothy M. Garoni , Youjin Deng

We give accurate estimates for the bond percolation critical probabilities on seven Archimedean lattices, for which the critical probabilities are unknown, using an algorithm of Newman and Ziff.

Statistical Mechanics · Physics 2009-11-13 Robert Parviainen

We consider a percolation process in which $k$ points separated by a distance proportional to system size $L$ simultaneously connect together ($k>1$), or a single point at the center of a system connects to the boundary ($k=1$), through…

Disordered Systems and Neural Networks · Physics 2020-07-08 S. S. Manna , Robert M. Ziff

The site percolation thresholds p_c are determined to high precision for eight Archimedean lattices, by the hull-walk gradient-percolation simulation technique, with the results p_c = 0.697043, honeycomb or (6^3), 0.807904 (3,12^{2}),…

Disordered Systems and Neural Networks · Physics 2007-05-23 Paul N. Suding , Robert M. Ziff

Exact or precise thresholds have been intensively studied since the introduction of the percolation model. Recently the critical polynomial $P_{\rm B}(p,L)$ was introduced for planar-lattice percolation models, where $p$ is the occupation…

Statistical Mechanics · Physics 2021-02-17 Wenhui Xu , Junfeng Wang , Hao Hu , Youjin Deng
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