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In this work, we study the percolation transition and large deviation properties of generalized canonical network ensembles. This new type of random networks might have a very rich complex structure, including high heterogeneous degree…

统计力学 · 物理学 2009-05-15 Serena Bradde , Ginestra Bianconi

We study percolation as a critical phenomenon on a multifractal support. The scaling exponents of the the infinite cluster size ($\beta$ exponent) and the fractal dimension of the percolation cluster ($d_f$) are quantities that seem do not…

统计力学 · 物理学 2007-05-23 J. E. Freitas , G. Corso , L. S. Lucena

We consider the density of two-dimensional critical percolation clusters, constrained to touch one or both boundaries, in infinite strips, half-infinite strips, and squares, as well as several related quantities for the infinite strip. Our…

无序系统与神经网络 · 物理学 2007-06-22 Jacob J. H. Simmons , Peter Kleban , Kevin Dahlberg , Robert M. Ziff

Fractal geometry of critical curves appearing in 2D critical systems is characterized by their harmonic measure. For systems described by conformal field theories with central charge $c\leqslant 1$, scaling exponents of harmonic measure…

高能物理 - 理论 · 物理学 2008-11-26 E. Bettelheim , I. Rushkin , I. A. Gruzberg , P. Wiegmann

In a new type of percolation phase transition, which was observed in a set of non-equilibrium models, each new connection between vertices is chosen from a number of possibilities by an Achlioptas-like algorithm. This causes preferential…

无序系统与神经网络 · 物理学 2015-06-18 R. A. da Costa , S. N. Dorogovtsev , A. V. Goltsev , J. F. F. Mendes

Network geometry has strong effects on network dynamics. In particular, the underlying hyperbolic geometry of discrete manifolds has recently been shown to affect their critical percolation properties. Here we investigate the properties of…

无序系统与神经网络 · 物理学 2019-12-25 Ginestra Bianconi , Ivan Kryven , Robert M. Ziff

It is widely believed that the celebrated 2D Ising model at criticality has a universal and conformally invariant scaling limit, which is used in deriving many of its properties. However, no mathematical proof of universality and conformal…

数学物理 · 物理学 2011-05-17 Dmitry Chelkak , Stanislav Smirnov

Percolation has long served as a model for diverse phenomena and systems. The percolation transition, that is, the formation of a giant cluster on a macroscopic scale, is known as one of the most robust continuous transitions. Recently,…

统计力学 · 物理学 2016-12-08 Deokjae Lee , Young Sul Cho , Byungnam Kahng

Simplicial complexes are increasingly used to understand the topology of complex systems as different as brain networks and social interactions. It is therefore of special interest to extend the study of percolation to simplicial complexes.…

无序系统与神经网络 · 物理学 2018-11-28 Ginestra Bianconi , Robert M. Ziff

The critical behaviour of many spin models can be equivalently formulated as percolation of specific site-bond clusters. In the presence of an external magnetic field, such clusters remain well-defined and lead to a percolation transition,…

高能物理 - 格点 · 物理学 2009-11-07 Santo Fortunato , Helmut Satz

An important conjecture in percolation theory is that almost surely no infinite cluster exists in critical percolation on any transitive graph for which the critical probability is less than 1. Earlier work has established this for the…

概率论 · 数学 2008-03-31 Yuval Peres , Gabor Pete , Ariel Scolnicov

We show that the correction-to-scaling exponents in two-dimensional percolation are bounded by Omega <= 72/91, omega = D Omega <= 3/2, and Delta_1 = nu omega <= 2, based upon Cardy's result for the critical crossing probability on an…

无序系统与神经网络 · 物理学 2011-03-07 Robert M. Ziff

We investigate the formation of an infinite cluster of entangled threads in a (2+1)-dimensional system. We demonstrate that topological percolation belongs to the universality class of the standard 2D bond percolation. We compute the…

统计力学 · 物理学 2007-05-23 S. K. Nechaev , O. A. Vasilyev

We consider a directed percolation process on an ${\cal M}$ x ${\cal N}$ rectangular lattice whose vertical edges are directed upward with an occupation probability y and horizontal edges directed toward the right with occupation…

统计力学 · 物理学 2007-05-23 L. C. Chen , F. Y. Wu

We present structural properties of two-dimensional polymers as far as they can be described by percolation theory. The percolation threshold, critical exponents and fractal dimensions of clusters are determined by computer simulation and…

凝聚态物理 · 物理学 2009-10-22 Christian Muenkel , Dieter W. Heermann

This article aims to review a selection of central topics and examples in logarithmic conformal field theory. It begins with a pure Virasoro example, critical percolation, then continues with a detailed exposition of symplectic fermions,…

高能物理 - 理论 · 物理学 2015-06-15 Thomas Creutzig , David Ridout

In this work we consider the two-dimensional percolation model arising from the majority dynamics process at a given time $t\in\mathbb{R}_+$. We show the emergence of a sharp threshold phenomenon for the box crossing event at the critical…

概率论 · 数学 2022-10-11 Caio Alves , Rangel Baldasso

We study bond percolation for a family of infinite hyperbolic graphs. We relate percolation to the appearance of homology in finite versions of these graphs. As a consequence, we derive an upper bound on the critical probabilities of the…

概率论 · 数学 2016-11-29 Nicolas Delfosse , Gilles Zémor

We use SLE(6) paths to construct a process of continuum nonsimple loops in the plane and prove that this process coincides with the full continuum scaling limit of 2D critical site percolation on the triangular lattice -- that is, the…

概率论 · 数学 2009-11-11 Federico Camia , Charles M. Newman

While classical percolation is well understood, percolation effects in randomly packed or jammed structures are much less explored. Here we investigate both experimentally and theoretically the electrical percolation in a binary composite…

材料科学 · 物理学 2021-04-20 Shiva Pokhrel , Brendon Waters , Solveig Felton , Zhi-Feng Huang , Boris Nadgorny