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We study self-avoiding walks on three-dimensional critical percolation clusters using a new exact enumeration method. It overcomes the exponential increase in computation time by exploiting the clusters' fractal nature. We enumerate walks…

统计力学 · 物理学 2015-06-22 Niklas Fricke , Wolfhard Janke

We present simulation results for long ($N\leq 4000$) self-avoiding walks in four dimensions. We find definite indications of logarithmic corrections, but the data are poorly described by the asymptotically leading terms. Detailed…

凝聚态物理 · 物理学 2009-10-22 Peter Grassberger , Rainer Hegger , Lothar Schaefer

Motivated by recent claims of a proof that the length scale exponent for the end-to-end distance scaling of self-avoiding walks is precisely $7/12=0.5833...$, we present results of large-scale simulations of self-avoiding walks and…

统计力学 · 物理学 2009-11-07 T. Prellberg

Counting the number of N-step self-avoiding walks (SAWs) on a lattice is one of the most difficult problems of enumerative combinatorics. Once we give up calculating the exact number of them, however, we have a chance to apply powerful…

统计力学 · 物理学 2013-10-04 Nobu C. Shirai , Macoto Kikuchi

Simulations of the self-avoiding walk (SAW) are performed in a half-plane and a cut-plane (the complex plane with the positive real axis removed) using the pivot algorithm. We test the conjecture of Lawler, Schramm and Werner that the…

概率论 · 数学 2015-06-26 Tom Kennedy

We introduce an efficient nonreversible Markov chain Monte Carlo algorithm to generate self-avoiding walks with a variable endpoint. In two dimensions, the new algorithm slightly outperforms the two-move nonreversible Berretti-Sokal…

统计力学 · 物理学 2021-12-13 Hanqing Zhao , Marija Vucelja

This paper proves the formula \nu(d) =1 for d=1 and \nu(d) = max(1/4 +1/d, 1/2) for d > 1 for the root mean square displacement exponent \nu(d) of the self-avoiding walk (SAW) in Z^d, and thus, resolves some major long-standing open…

概率论 · 数学 2007-05-23 Irene Hueter

Various subsets of self-avoiding walks naturally appear when investigating existing methods designed to predict the 3D conformation of a protein of interest. Two such subsets, namely the folded and the unfoldable self-avoiding walks, are…

生物大分子 · 定量生物学 2013-06-19 Jacques M. Bahi , Christophe Guyeux , Kamel Mazouzi , Laurent Philippe

This article proposes a new way of deriving mean-field exponents for the weakly self-avoiding walk model in dimensions $d>4$. Among other results, we obtain up-to-constant estimates for the full-space and half-space two-point functions in…

概率论 · 数学 2025-07-28 Hugo Duminil-Copin , Romain Panis

We investigate, by series methods, the behaviour of interacting self-avoiding walks (ISAWs) on the honeycomb lattice and on the square lattice. This is the first such investigation of ISAWs on the honeycomb lattice. We have generated data…

统计力学 · 物理学 2020-06-24 Nicholas R Beaton , Anthony J Guttmann , Iwan Jensen

We use the recently conjectured exact $S$-matrix of the massive ${\rm O}(n)$ model to derive its form factors and ground state energy. This information is then used in the limit $n\to0$ to obtain quantitative results for various universal…

高能物理 - 理论 · 物理学 2014-11-18 John Cardy , G. Mussardo

We describe a new algebraic technique, utilising transfer matrices, for enumerating self-avoiding lattice trails on the square lattice. We have enumerated trails to 31 steps, and find increased evidence that trails are in the self-avoiding…

高能物理 - 格点 · 物理学 2009-10-22 A R Conway , A J Guttmann

The decay of directional correlations in self-avoiding random walks on the square lattice is investigated. Analysis of exact enumerations and Monte Carlo data suggest that the correlation between the directions of the first step and the…

统计力学 · 物理学 2009-11-07 E. Eisenberg , A. Baram

We study a restricted class of self-avoiding walks (SAW) which start at the origin (0, 0), end at $(L, L)$, and are entirely contained in the square $[0, L] \times [0, L]$ on the square lattice ${\mathbb Z}^2$. The number of distinct walks…

统计力学 · 物理学 2016-08-31 M. Bousquet-Mélou , A. J. Guttmann , I. Jensen

Oriented self-avoiding walks (OSAWs) on a square lattice are studied, with binding energies between steps that are oriented parallel across a face of the lattice. By means of exact enumeration and Monte Carlo simulation, we reconstruct the…

凝聚态物理 · 物理学 2009-10-28 G. T. Barkema , S. Flesia

We have extended the enumeration of self-avoiding walks on the Manhattan lattice from 28 to 53 steps and for self-avoiding polygons from 48 to 84 steps. Analysis of this data suggests that the walk generating function exponent gamma =…

统计力学 · 物理学 2009-10-31 D. Bennett-Wood , J. L. Cardy , I. G. Enting , A. J. Guttmann , A. L. Owczarek

It is widely believed that the scaling limit of self-avoiding walks (SAWs) at the critical temperature is (i) conformally invariant, and (ii) describable by Schramm-Loewner Evolution (SLE) with parameter $\kappa = 8/3.$ We consider SAWs in…

数学物理 · 物理学 2015-06-16 Anthony J. Guttmann , Jesper L. Jacobsen

If the three dimensional self-avoiding walk (SAW) is conformally invariant, then one can compute the hitting densities for the SAW in a half-space and in a sphere. The ensembles of SAW's used to define these hitting densities involve walks…

数学物理 · 物理学 2015-06-22 Tom Kennedy

The scaling properties of self-avoiding walks on a d-dimensional diluted lattice at the percolation threshold are analyzed by a field-theoretical renormalization group approach. To this end we reconsider the model of Y. Meir and A. B.…

软凝聚态物质 · 物理学 2009-11-10 C. von Ferber , V. Blavats'ka , R. Folk , Yu. Holovatch

We study terminally attached self-avoiding walks and bridges on the simple cubic lattice, both by series analysis and Monte Carlo methods. We provide strong numerical evidence supporting a scaling relation between self-avoiding walks,…

统计力学 · 物理学 2016-10-06 Nathan Clisby , Andrew R. Conway , Anthony J. Guttmann