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We investigate the AC conductivity of binary random impedance networks, with emphasis on its dependence on the ratio of the complex conductances of both phases. We propose an algorithm to determine the conductance of a finite network, in…

无序系统与神经网络 · 物理学 2009-10-31 Th. Jonckheere , J. M. Luck

The simplest microfluidic network (a loop) comprises two parallel channels with a common inlet and a common outlet. Recent studies, that assumed constant cross-section of the channels along their length, have shown that the sequence of…

流体动力学 · 物理学 2015-12-16 Olgierd Cybulski , Slawomir Jakiela , Piotr Garstecki

Percolation establishes the connectivity of complex networks and is one of the most fundamental critical phenomena for the study of complex systems. On simple networks, percolation displays a second-order phase transition; on multiplex…

适应与自组织系统 · 物理学 2023-03-14 Hanlin Sun , Filippo Radicchi , Jürgen Kurths , Ginestra Bianconi

We investigate the distribution of the supercurrent through a chaotic quantum dot which is strongly coupled to two superconductors when the Thouless energy is large compared to the superconducting energy gap. The distribution function of…

介观与纳米尺度物理 · 物理学 2010-05-24 M. Garst , T. Kopp

Electrically percolating nanowire networks are amongst the most promising candidates for next-generation transparent electrodes. Scientific interest in these materials stems from their intrinsic current distribution heterogeneity, leading…

应用物理 · 物理学 2024-04-11 J. Fekete , P. Joshi , T. J. Barrett , T. M. James , R. Shah , A. Gadge , S. Bhumbra , F. Oručević , P. Krüger

Using a recently developed method to simulate percolation on large clusters of distributed machines [N. R. Moloney and G. Pruessner, Phys. Rev. E 67, 037701 (2003)], we have numerically calculated crossing, spanning and wrapping…

统计力学 · 物理学 2007-05-23 Gunnar Pruessner , Nicholas R. Moloney

We study the dynamics of diffusion processes acting on directed multiplex networks, i.e., coupled multilayer networks where at least one layer consists of a directed graph. We reveal that directed multiplex networks may exhibit a faster…

物理与社会 · 物理学 2018-09-26 Alejandro Tejedor , Anthony Longjas , Efi Foufoula-Georgiou , Tryphon Georgiou , Yamir Moreno

Many processes of spreading and diffusion take place on temporal networks, and their outcomes are influenced by correlations in the times of contact. These correlations have a particularly strong influence on processes where the spreading…

物理与社会 · 物理学 2017-09-19 Mikko Kivelä , Jordan Cambe , Jari Saramäki , Márton Karsai

The probability distribution for the number of top to bottom spanning clusters in Directed percolation in two and three dimensions appears to be universal and is of the form $P(n) \sim \exp(-\alpha n^2)$. We argue that $\alpha$ is a new…

统计力学 · 物理学 2007-05-23 Parongama Sen , Somendra M. Bhattacharjee

The multipolar decomposition of current distributions is used in many branches of physics. Here, we obtain new exact expressions for the dipolar moments of a localized electric current distribution. The typical integrals for the dipole…

光学 · 物理学 2015-12-17 Ivan Fernandez-Corbaton , Stefan Nanz , Rasoul Alaee , Carsten Rockstuhl

An important class of real-world networks have directed edges, and in addition, some rank ordering on the nodes, for instance the "popularity" of users in online social networks. Yet, nearly all research related to explosive percolation has…

物理与社会 · 物理学 2017-07-26 Alex Waagen , Raissa M. D'Souza , Tsai-Ching Lu

The multifractal characterization of the distribution over disorder of the mean first-passage time in a finite chain is revisited. Both, absorbing-absorbing and reflecting-absorbing boundaries are considered. Two models of dichotomic…

统计力学 · 物理学 2009-11-10 Pedro A. Pury , Manuel O. Caceres

In many systems consisting of interacting subsystems, the complex interactions between elements can be represented using multilayer networks. However percolation, key to understanding connectivity and robustness, is not trivially…

无序系统与神经网络 · 物理学 2020-11-04 G. J. Baxter , R. A. da Costa , S. N. Dorogovtsev , J. F. F. Mendes

In this paper a novel distributed control algorithm for current sharing and voltage regulation in Direct Current (DC) microgrids is proposed. The DC microgrid is composed of several Distributed Generation units (DGUs), including Buck…

We study electric properties of random resistor networks consisting of resistors of two kinds numerically, focusing on the power loss across each bond. Tuning the ratio of the resistances $r$ and their respective fraction $\alpha$ we find…

介观与纳米尺度物理 · 物理学 2014-08-12 I. A. Sadovskyy , A. Glatz , V. M. Vinokur , P. N. Kropotin , T. I. Baturina

The state of a 2-D random resistor network, resulting from the simultaneous evolutions of two competing biased percolations, is studied in a wide range of bias values. Monte Carlo simulations show that when the external current $I$ is below…

统计力学 · 物理学 2009-11-07 C. Pennetta , L. Reggiani , E. Alfinito , G. Trefan

This Letter studies the critical point as well as the discontinuity of a class of explosive site percolation in Erd\"{o}s and R\'{e}nyi (ER) random network. The class of the percolation is implemented by introducing a best-of-m rule. Two…

物理与社会 · 物理学 2012-12-05 J. H. Qian , D. D. Han , Y. G. Ma

We study the problem of wireless network resilience to node failures from a percolation-based perspective. In practical wireless networks, it is often the case that the failure probability of a node depends on its degree (number of…

网络与互联网体系结构 · 计算机科学 2009-08-28 Zhenning Kong , Edmund M. Yeh

Levy distributions are involved in many physical phenomenon. The purpose of our study is to understand metal insulator transitions in composite systems using the above distributions. The exact method (EM) based on the calculation of…

无序系统与神经网络 · 物理学 2013-04-17 Mohamed Mokhtari , Lotfi Zekri

Nodal domains are regions where a function has definite sign. In recent paper [nlin.CD/0109029] it is conjectured that the distribution of nodal domains for quantum eigenfunctions of chaotic systems is universal. We propose a…

混沌动力学 · 物理学 2009-11-07 E. Bogomolny , C. Schmit