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On the Statistics of Dimer Coverings and Spanning Trees on the Silicate-Type Sierpinski Gasket 硅酸盐型Sierpinski垫片上二聚体覆盖和生成树的统计
IF 1.3 3区 物理与天体物理
Journal of Statistical Physics Pub Date : 2025-01-20 DOI: 10.1007/s10955-024-03392-8
Xingsheng Yang, Jingchao Lai, Weigen Yan
{"title":"On the Statistics of Dimer Coverings and Spanning Trees on the Silicate-Type Sierpinski Gasket","authors":"Xingsheng Yang,&nbsp;Jingchao Lai,&nbsp;Weigen Yan","doi":"10.1007/s10955-024-03392-8","DOIUrl":"10.1007/s10955-024-03392-8","url":null,"abstract":"<div><p>Chang and Chen (J Stat Phys 131(4):631–650, 2008) and Chang et al. (J Stat Phys 126(3):649–667, 2007) present the number of dimer coverings and spanning trees on the Sierpinski gasket <span>(SG_b(n))</span> at stage <i>n</i> with the side length <i>b</i> equal to two, three and four, respectively. In this paper, we obtain the exact closed formula of the number of dimer coverings and spanning trees on the silicate-type Sierpinski gasket <span>(SO_b(n))</span> at stage <i>n</i> with the side length <span>(b=2,3,4)</span>.</p></div>","PeriodicalId":667,"journal":{"name":"Journal of Statistical Physics","volume":"192 2","pages":""},"PeriodicalIF":1.3,"publicationDate":"2025-01-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142995183","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Global-In-Time Discrete Approximation of the Cucker–Smale Model with a Unit Speed Constraint 单位速度约束下cucker - small模型的全局时间离散逼近
IF 1.3 3区 物理与天体物理
Journal of Statistical Physics Pub Date : 2025-01-18 DOI: 10.1007/s10955-025-03397-x
Jeong Seok Han, Woojoo Shim, Hyunjin Ahn
{"title":"Global-In-Time Discrete Approximation of the Cucker–Smale Model with a Unit Speed Constraint","authors":"Jeong Seok Han,&nbsp;Woojoo Shim,&nbsp;Hyunjin Ahn","doi":"10.1007/s10955-025-03397-x","DOIUrl":"10.1007/s10955-025-03397-x","url":null,"abstract":"<div><p>In this paper, we study the discrete Cucker–Smale model with a unit-speed constraint. For this, we first propose a discrete-time approximation of the Cucker–Smale model with a unit speed constraint (Choi and Ha, in: Commun Math Sci 14:953–972, 2016) using an exponential map in the state space <span>(mathbb {R}^dtimes mathbb {S}^{d-1})</span>. Then, we present several sufficient frameworks to guarantee its asymptotic flocking. Moreover, we prove the finite-in-time transition from the discrete system to its continuous counterpart under generic initial data and system parameters. With the help of this result and the asymptotic flocking of the discrete and continuous systems, we also demonstrate the uniform-in-time transition between them.</p></div>","PeriodicalId":667,"journal":{"name":"Journal of Statistical Physics","volume":"192 2","pages":""},"PeriodicalIF":1.3,"publicationDate":"2025-01-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s10955-025-03397-x.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142995067","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
High-Level Moving Excursions for Spatiotemporal Gaussian Random Fields with Long Range Dependence
IF 1.3 3区 物理与天体物理
Journal of Statistical Physics Pub Date : 2025-01-16 DOI: 10.1007/s10955-025-03396-y
Nikolai Leonenko, M. Dolores Ruiz-Medina
{"title":"High-Level Moving Excursions for Spatiotemporal Gaussian Random Fields with Long Range Dependence","authors":"Nikolai Leonenko,&nbsp;M. Dolores Ruiz-Medina","doi":"10.1007/s10955-025-03396-y","DOIUrl":"10.1007/s10955-025-03396-y","url":null,"abstract":"<div><p>The asymptotic behavior of an extended family of integral geometric random functionals, including spatiotemporal Minkowski functionals under moving levels, is analyzed in this paper. Specifically, sojourn measures of spatiotemporal long-range dependence (LRD) Gaussian random fields are considered in this analysis. The limit results derived provide general reduction principles under increasing domain asymptotics in space and time. The case of time-varying thresholds is also studied. Thus, the family of morphological measures considered allows the statistical and geometrical analysis of random physical systems displaying structural changes over time. Motivated by cosmological applications, the derived results are applied to the context of sojourn measures of spatiotemporal spherical Gaussian random fields. The results are illustrated for some families of spatiotemporal Gaussian random fields displaying complex spatiotemporal dependence structures.</p></div>","PeriodicalId":667,"journal":{"name":"Journal of Statistical Physics","volume":"192 2","pages":""},"PeriodicalIF":1.3,"publicationDate":"2025-01-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s10955-025-03396-y.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143108496","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Characteristic Polynomials of Sparse Non-Hermitian Random Matrices 稀疏非厄米随机矩阵的特征多项式
IF 1.3 3区 物理与天体物理
Journal of Statistical Physics Pub Date : 2025-01-15 DOI: 10.1007/s10955-024-03379-5
Ievgenii Afanasiev, Tatyana Shcherbina
{"title":"Characteristic Polynomials of Sparse Non-Hermitian Random Matrices","authors":"Ievgenii Afanasiev,&nbsp;Tatyana Shcherbina","doi":"10.1007/s10955-024-03379-5","DOIUrl":"10.1007/s10955-024-03379-5","url":null,"abstract":"<div><p>We consider the asymptotic local behavior of the second correlation functions of the characteristic polynomials of sparse non-Hermitian random matrices <span>(X_n)</span> whose entries have the form <span>(x_{jk}=d_{jk}w_{jk})</span> with iid complex standard Gaussian <span>(w_{jk})</span> and normalised iid Bernoulli(<i>p</i>) <span>(d_{jk})</span>. It is shown that, as <span>(prightarrow infty )</span>, the local asymptotic behavior of the second correlation function of characteristic polynomials near <span>(z_0in mathbb {C})</span> coincides with those for Ginibre ensemble: it converges to a determinant with Ginibre kernel in the bulk <span>(|z_0|&lt;1)</span>, and it is factorized if <span>(|z_0|&gt;1)</span>. For the finite <span>(p&gt;0)</span>, the behavior is different and exhibits the transition between different regimes depending on values of <i>p</i> and <span>(|z_0|^2)</span>.</p></div>","PeriodicalId":667,"journal":{"name":"Journal of Statistical Physics","volume":"192 1","pages":""},"PeriodicalIF":1.3,"publicationDate":"2025-01-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142994368","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Universality of Mean-Field Antiferromagnetic Order in an Anisotropic 3D Hubbard Model at Half-Filling 半填充各向异性三维Hubbard模型中平均场反铁磁序的普适性
IF 1.3 3区 物理与天体物理
Journal of Statistical Physics Pub Date : 2025-01-13 DOI: 10.1007/s10955-024-03390-w
E. Langmann, J. Lenells
{"title":"Universality of Mean-Field Antiferromagnetic Order in an Anisotropic 3D Hubbard Model at Half-Filling","authors":"E. Langmann,&nbsp;J. Lenells","doi":"10.1007/s10955-024-03390-w","DOIUrl":"10.1007/s10955-024-03390-w","url":null,"abstract":"<div><p>We study Hartree–Fock theory at half-filling for the 3D anisotropic Hubbard model on a cubic lattice with hopping parameter <i>t</i> in the <i>x</i>- and <i>y</i>-directions and a possibly different hopping parameter <span>(t_z)</span> in the <i>z</i>-direction; this model interpolates between the 2D and 3D Hubbard models corresponding to the limiting cases <span>(t_z=0)</span> and <span>(t_z=t)</span>, respectively. We first derive all-order asymptotic expansions for the density of states. Using these expansions and units such that <span>(t=1)</span>, we analyze how the Néel temperature and the antiferromagnetic mean field depend on the coupling parameter, <i>U</i>, and on the hopping parameter <span>(t_z)</span>. We derive asymptotic formulas valid in the weak coupling regime, and we study in particular the transition from the three-dimensional to the two-dimensional model as <span>(t_z rightarrow 0)</span>. It is found that the asymptotic formulas are qualitatively different for <span>(t_z = 0)</span> (the two-dimensional case) and <span>(t_z &gt; 0)</span> (the case of nonzero hopping in the <i>z</i>-direction). Our results show that certain universality features of the three-dimensional Hubbard model are lost in the limit <span>(t_z rightarrow 0)</span> in which the three-dimensional model reduces to the two-dimensional model.</p></div>","PeriodicalId":667,"journal":{"name":"Journal of Statistical Physics","volume":"192 1","pages":""},"PeriodicalIF":1.3,"publicationDate":"2025-01-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s10955-024-03390-w.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142963064","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Macroscopic Fluctuation Theory for Ginzburg–Landau Dynamics with Long-Range Interactions 具有远距离相互作用的金兹堡-朗道动力学的宏观涨落理论
IF 1.3 3区 物理与天体物理
Journal of Statistical Physics Pub Date : 2025-01-13 DOI: 10.1007/s10955-024-03384-8
Cédric Bernardin, Raphaël Chetrite
{"title":"Macroscopic Fluctuation Theory for Ginzburg–Landau Dynamics with Long-Range Interactions","authors":"Cédric Bernardin,&nbsp;Raphaël Chetrite","doi":"10.1007/s10955-024-03384-8","DOIUrl":"10.1007/s10955-024-03384-8","url":null,"abstract":"<div><p>Focusing on a famous class of interacting diffusion processes called Ginzburg–Landau dynamics, we extend the Macroscopic Fluctuations Theory to these systems in the case where the interactions are long-range, and consequently, the macroscopic effective equations are described by non-linear fractional diffusion equations.</p></div>","PeriodicalId":667,"journal":{"name":"Journal of Statistical Physics","volume":"192 1","pages":""},"PeriodicalIF":1.3,"publicationDate":"2025-01-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142963161","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Thermal Transport in Long-Range Interacting Harmonic Chains Perturbed by Long-Range Conservative Noise 受远距离保守噪声扰动的远距离相互作用谐波链中的热输运
IF 1.3 3区 物理与天体物理
Journal of Statistical Physics Pub Date : 2025-01-13 DOI: 10.1007/s10955-024-03383-9
Francesco Andreucci, Stefano Lepri, Carlos Mejía-Monasterio, Stefano Ruffo
{"title":"Thermal Transport in Long-Range Interacting Harmonic Chains Perturbed by Long-Range Conservative Noise","authors":"Francesco Andreucci,&nbsp;Stefano Lepri,&nbsp;Carlos Mejía-Monasterio,&nbsp;Stefano Ruffo","doi":"10.1007/s10955-024-03383-9","DOIUrl":"10.1007/s10955-024-03383-9","url":null,"abstract":"<div><p>We study non-equilibrium properties of a chain of <i>N</i> oscillators with both long-ranged harmonic interactions and long-range conservative noise that exchange momenta of particle pairs. We derive exact expressions for the (deterministic) energy-current auto-correlation at equilibrium, based on the kinetic approximation of the normal mode dynamics. In all cases the decay is algebraic in the thermodynamic limit. We distinguish four distinct regimes of correlation decay depending on the exponents controlling the range of deterministic and stochastic interactions. Surprisingly, we find that long-range noise breaks down the long-range correlations characteristic of low dimensional models, suggesting a normal regime in which heat transport becomes diffusive. For finite systems, we do also derive exact expressions for the finite-size corrections to the algebraic decay of the correlation. In certain regimes, these corrections are considerably large, rendering hard the estimation of transport properties from numerical data for the finite chains. Our results are tested against numerical simulations, performed with an efficient algorithm.</p></div>","PeriodicalId":667,"journal":{"name":"Journal of Statistical Physics","volume":"192 1","pages":""},"PeriodicalIF":1.3,"publicationDate":"2025-01-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s10955-024-03383-9.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142963192","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Polynuclear Growth of Square Crystallites on a Flat Substrate 方形晶在平面基底上的多核生长
IF 1.3 3区 物理与天体物理
Journal of Statistical Physics Pub Date : 2025-01-13 DOI: 10.1007/s10955-024-03385-7
David J. Gates
{"title":"Polynuclear Growth of Square Crystallites on a Flat Substrate","authors":"David J. Gates","doi":"10.1007/s10955-024-03385-7","DOIUrl":"10.1007/s10955-024-03385-7","url":null,"abstract":"<div><p>We study a polynuclear growth model in which the crystallites are aligned squares, as observed in micrographs of epitaxial thin films. The expected volumes of lower layers are calculated by series expansion methods. The coefficients are calculated exactly up to the 4th power in the intensity of the nucleation process or the 12th power in the time. The method is based on exact integral expressions recently obtained by the author. The resulting instantaneous growth rate or surface speed has an initial oscillation, consistent with long-standing experimental observations. The method is also applied to 1-dimensional rod crystallites and <i>d</i>-dimensional cubic crystallites. For large <span>(d)</span> the ultimate <span>({text{(time}} to infty ))</span> growth rate and oscillating growth profile are obtained. The coefficients in the series are derived from basis functions, which involve only 1-dimensional spatial integrals, and which are common to all dimensions. For the second layer, the series is derived by a cluster expansion method, analogous to methods in equilibrium statistical mechanics. For higher layers, the integrands are broken down into products of pairs of nested crystallites.</p></div>","PeriodicalId":667,"journal":{"name":"Journal of Statistical Physics","volume":"192 1","pages":""},"PeriodicalIF":1.3,"publicationDate":"2025-01-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142963063","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
On the Fisher Infinitesimal Model Without Variability 无变率的Fisher无穷小模型
IF 1.3 3区 物理与天体物理
Journal of Statistical Physics Pub Date : 2025-01-13 DOI: 10.1007/s10955-024-03386-6
Amic Frouvelle, Cécile Taing
{"title":"On the Fisher Infinitesimal Model Without Variability","authors":"Amic Frouvelle,&nbsp;Cécile Taing","doi":"10.1007/s10955-024-03386-6","DOIUrl":"10.1007/s10955-024-03386-6","url":null,"abstract":"<div><p>We study the long-time behavior of solutions to a kinetic equation inspired by a model of sexual populations structured in phenotypes. The model features a nonlinear integral reproduction operator derived from the Fisher infinitesimal operator and a trait-dependent selection term. The reproduction operator describes here the inheritance of the mean parental traits to the offspring without variability. We show that, under assumptions on the growth of the selection rate, Dirac masses are stable around phenotypes for which the difference between the selection rate and its minimum value is less than <span>(frac{1}{2})</span>. Moreover, we prove the convergence in some Fourier-based distance of the centered and rescaled solution to a stationary profile under some conditions on the initial moments of the solution.</p></div>","PeriodicalId":667,"journal":{"name":"Journal of Statistical Physics","volume":"192 1","pages":""},"PeriodicalIF":1.3,"publicationDate":"2025-01-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142963065","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Time-Scaling, Ergodicity, and Covariance Decay of Interacting Particle Systems 相互作用粒子系统的时间标度、遍历性和协方差衰减
IF 1.3 3区 物理与天体物理
Journal of Statistical Physics Pub Date : 2025-01-13 DOI: 10.1007/s10955-024-03387-5
Maciej Głuchowski, Georg Menz
{"title":"Time-Scaling, Ergodicity, and Covariance Decay of Interacting Particle Systems","authors":"Maciej Głuchowski,&nbsp;Georg Menz","doi":"10.1007/s10955-024-03387-5","DOIUrl":"10.1007/s10955-024-03387-5","url":null,"abstract":"<div><p>The main focus of this article is the study of ergodicity of Interacting Particle Systems (IPS). We present a simple lemma showing that scaling time is equivalent to taking the convex combination of the transition matrix of the IPS with the identity. As a consequence, the ergodic properties of IPS are invariant under this transformation. Surprisingly, this simple observation has non-trivial implications: It allows to extend any result that does not respect this invariance, which we demonstrate with examples. Additionally, we develop a recursive method to deduce decay of correlations for IPS with alphabets of arbitrary (finite) size, and apply the Time-Scaling Lemma to that as well. As an application of this new criterion we show that certain one-dimensional IPS are ergodic answering an open question of Toom et al.</p></div>","PeriodicalId":667,"journal":{"name":"Journal of Statistical Physics","volume":"192 1","pages":""},"PeriodicalIF":1.3,"publicationDate":"2025-01-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s10955-024-03387-5.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142963062","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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