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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

In this paper, I compute the inhomogeneous (multi-probability) bond critical surfaces for the (4,6,12) and (3^4,6) lattices using the linearity approximation described in (Scullard and Ziff, J. Stat. Mech. P03021), implemented as a…

Disordered Systems and Neural Networks · Physics 2015-05-27 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

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

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

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

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

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

Lattices that can be represented in a kagome-like form are shown to satisfy a universal percolation criticality condition, expressed as a relation between P_3, the probability that all three vertices in the triangle connect, and P_0, the…

Disordered Systems and Neural Networks · Physics 2009-11-13 Robert M. Ziff , Hang Gu

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

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

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

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

We give the exact critical frontier of the Potts model on bowtie lattices. For the case of $q=1$, the critical frontier yields the thresholds of bond percolation on these lattices, which are exactly consistent with the results given by Ziff…

Statistical Mechanics · Physics 2015-06-04 Chengxiang Ding , Yangcheng Wang , Yang Li

We study the critical frontiers of the Potts model on two-dimensional bow-tie lattices with fully inhomogeneous coupling constants. Generally, for the Potts critical frontier to be found exactly, the underlying lattice must be a 3-uniform…

Statistical Mechanics · Physics 2015-06-11 Christian R. Scullard , Jesper Lykke Jacobsen

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 extend the method of Balister, Bollob\'as and Walters for determining rigorous confidence intervals for the critical threshold of two dimensional lattices to three (and higher) dimensional lattices. We describe a method for determining a…

Methodology · Statistics 2015-06-18 N. Ball

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

Extended-range percolation on various regular lattices, including all eleven Archimedean lattices in two dimensions, and the simple cubic (SC), body-centered cubic (BCC), and face-centered cubic (FCC) lattices in three dimensions, is…

Statistical Mechanics · Physics 2022-02-16 Zhipeng Xun , DaPeng Hao , Robert M. Ziff

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
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