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Long-range power-law correlated percolation is investigated using Monte Carlo simulations. We obtain several static and dynamic critical exponents as function of the Hurst exponent $H$ which characterizes the degree of spatial correlation…

We study geometrical properties of interfaces in the random-temperature q-states Potts model as an example of a conformal field theory weakly perturbed by quenched disorder. Using conformal perturbation theory in q-2 we compute the fractal…

无序系统与神经网络 · 物理学 2010-04-22 Jesper L. Jacobsen , Pierre Le Doussal , Marco Picco , Raoul Santachiara , Kay Joerg Wiese

Most of the known methods for estimating the fractal dimension of fractal sets are based on the evaluation of a single geometric characteristic, e.g. the volume of its parallel sets. We propose a method involving the evaluation of several…

度量几何 · 数学 2015-06-22 Evgeny Spodarev , Peter Straka , Steffen Winter

This paper initiates the study of the conformal field theory of the SLE$_\kappa$ loop measure $\nu$ for $\kappa\in(0,4]$, the range where the loop is almost surely simple. First, we construct two commuting representations…

概率论 · 数学 2024-09-26 Guillaume Baverez , Antoine Jego

In this paper, we determine the sharp \((p,q)\) range for \(L^p\)--\(L^q\) bounds of convolution operators \(f\mapsto \mu*f\) associated with fractal measures \(\mu\in \mathcal P_{\alpha,\beta}(\mathbb R^d)\), namely, compactly supported…

经典分析与常微分方程 · 数学 2026-05-12 Sanghyuk Lee , Sungchul Lee

We introduce a new parameterization of $B\rightarrow D \pi \ell \nu$ form factors using a partial-wave expansion and derive bounds on the series coefficients using analyticity and unitarity. This is the first generalization of the…

高能物理 - 唯象学 · 物理学 2024-10-22 Erik J. Gustafson , Florian Herren , Ruth S. Van de Water , Raynette van Tonder , Michael L. Wagman

The analysis of correlation function data obtained by Monte Carlo simulations of the two-dimensional 4-state Potts model, XY model, and self-dual disordered Ising model at criticality are presented. We study the logarithmic corrections to…

统计力学 · 物理学 2009-11-10 Bertrand Berche , Lev Shchur

This work presents a detailed analytical and geometrical investigation of the (2+1)-dimensional Boiti-Leon-Pempinelli system, a nonlinear dispersive model arising in the context of fluid and plasma dynamics. By employing a projective…

数学物理 · 物理学 2025-08-12 Saugata Dutta , Kajal Kumar Mondal , Prasanta Chatterjee

First derivatives of the Whittaker function $\mathrm{M}_{\kappa ,\mu }\left(x\right) $ with respect to the parameters are calculated. Using the confluent hypergeometric function, these derivarives can be expressed as infinite sums of…

经典分析与常微分方程 · 数学 2023-04-28 Alexander Apelblat , Juan Luis González-Santander

Projective Reed-Muller codes(PRM codes) are constructed from the family of projective hypersurfaces of a fixed degree over a finite field $\F_q$. In this paper, we completely determine the minimal distance of the hull of any Projective…

信息论 · 计算机科学 2024-10-11 Yufeng Song , Jinquan Luo

We numerically investigate the electric potential distribution over a two-dimensional continuum percolation model between the electrodes. The model consists of overlapped conductive particles on the background with an infinitesimal…

数值分析 · 计算机科学 2015-05-28 Shigeki Matsutani , Yoshiyuki Shimosako , Yunhong Wang

Quantum Monte Carlo is used to calculate various pairing correlations of the 2D Hubbard model possessing band features experimentally observed in the cuprates. In the hole-doped case, where the Fermi level lies close to the van Hove…

强关联电子 · 物理学 2009-10-30 Kazuhiko Kuroki , Hideo Aoki

We study derivations and Fredholm modules on metric spaces with a local regular conservative Dirichlet form. In particular, on finitely ramified fractals, we show that there is a non-trivial Fredholm module if and only if the fractal is not…

算子代数 · 数学 2018-06-29 Marius Ionescu , Luke G. Rogers , Alexander Teplyaev

We have computed the four-loop contribution to the beta-function and to the anomalous dimension of the field for the two-dimensional lattice $N$-vector model. This allows the determination of the second perturbative correction to various…

高能物理 - 格点 · 物理学 2009-10-28 Sergio Caracciolo , Robert G. Edwards , Tereza Mendes , Andrea Pelissetto , Alan D. Sokal

This paper puts forth several closure models for the proper orthogonal decomposition (POD) reduced order modeling of fluid flows. These new closure models, together with other standard closure models, are investigated in the numerical…

流体动力学 · 物理学 2018-01-29 Omer San , Traian Iliescu

We present a Monte Carlo study of the two-component $\phi^4$ model on the simple cubic lattice in three dimensions. By suitable tuning of the coupling constant $\lambda$ we eliminate leading order corrections to scaling. High statistics…

统计力学 · 物理学 2009-10-31 M. Hasenbusch , T. Toeroek

Using grand canonical Monte Carlo simulations, we investigate the percolation behavior of a square well fluid with an ultra-short range of attraction in three dimension (3D) and in confined geometry. The latter is defined through two…

软凝聚态物质 · 物理学 2012-11-07 Helge Neitsch , Sabine H. L. Klapp

We have numerically studied the properties of the interface induced in the ferromagnetic random-bond three-state Potts model by symmetry-breaking boundary conditions. The fractal dimension $d_f$ of the interface was determined. The…

统计力学 · 物理学 2010-08-04 Christophe Chatelain

Critical properties of hulls of directed spiral percolation (DSP) clusters are studied on the square and triangular lattices in two dimensions (2D). The hull fractal dimension ($d_H$) and some of the critical exponents associated with…

无序系统与神经网络 · 物理学 2009-11-10 Santanu Sinha , S. B. Santra

We present a Monte Carlo study of the bond and site directed (oriented) percolation models in $(d+1)$ dimensions on simple-cubic and body-centered-cubic lattices, with $2 \leq d \leq 7$. A dimensionless ratio is defined, and an analysis of…

统计力学 · 物理学 2013-10-11 Junfeng Wang , Zongzheng Zhou , Qingquan Liu , Timothy M. Garoni , Youjin Deng