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相关论文: Universal non stationary dynamics at the depinning…

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With large-scale Monte Carlo simulations, we investigate the nonsteady relaxation at the dynamic depinning transition in the two-dimensional Gaussian random-field Ising model. The dynamic scaling behavior is carefully analyzed, and the…

统计力学 · 物理学 2023-06-21 Xiaohui Qian , Gaotian Yu , Nengji Zhou

We study the non-steady relaxation of a driven one-dimensional elastic interface at the depinning transition by extensive numerical simulations concurrently implemented on graphics processing units (GPUs). We compute the time-dependent…

统计力学 · 物理学 2013-06-03 Ezequiel E. Ferrero , Sebastián Bustingorry , Alejandro B. Kolton

Dynamical universality plays a fundamental role in understanding the scaling properties of critical dynamics, including absorbing phase transitions and physical aging. Although individual universality classes have been extensively studied,…

统计力学 · 物理学 2025-03-10 Rong Li , Qirui Ding , Weicheng Cui

The pinning-depinning phase transitions of interfaces for two classes of discrete elastic-string models are investigated numerically. In the (1+1)-dimensions, we revisit these two elastic-string models with slight modification to growth…

统计力学 · 物理学 2025-01-31 Yongxin Wu , Hui Xia

We study the depinning transitions of elastic strings in disordered media in two different cases. We consider the elastic forces to be of infinite range in one case, where the magnitude is proportional to the extension of the string. The…

统计力学 · 物理学 2011-08-09 Soumyajyoti Biswas , Bikas K. Chakrabarti

We study the crossover scaling behavior of the height-height correlation function in interface depinning in random media. We analyze experimental data from a fracture experiment and simulate an elastic line model with non-linear couplings…

统计力学 · 物理学 2015-09-30 Y. J. Chen , Stefano Zapperi , James P. Sethna

We utilize Langevin molecular dynamics simulations to study dynamical critical behavior of magnetic flux lines near the depinning transition in type-II superconductors subject to randomly distributed attractive point defects. We employ a…

统计力学 · 物理学 2020-01-29 Harshwardhan Chaturvedi , Ulrich Dobramysl , Michel Pleimling , Uwe C. Täuber

We study the statics and dynamics of an elastic manifold in a disordered medium with quenched defects correlated as r^{-a} for large separation r. We derive the functional renormalization-group equations to one-loop order, which allow us to…

无序系统与神经网络 · 物理学 2009-11-11 Andrei A. Fedorenko , Pierre Le Doussal , Kay Joerg Wiese

Within one-dimensional disordered models of interacting fermions we perform a numerical study of several dynamical density correlations, which can serve as hallmarks of the transition to the many-body localized state. Results confirm that…

强关联电子 · 物理学 2016-12-30 M. Mierzejewski , J. Herbrych , P. Prelovšek

We propose a lattice model to study the dynamics of a driven interface in a medium with random pinning forces. For driving forces F smaller than a threshold force F_c the whole interface gets pinned. The depinning transition can be…

凝聚态物理 · 物理学 2009-10-22 Heiko Leschhorn

The boundary conditions at the deformable interface between two contacting fluids are derived for the general case of the large-amplitude perturbations. The interface is modeled as perturbed free boundary that evolves in time, and the…

流体动力学 · 物理学 2018-03-13 Ivan V. Kazachkov

In this work we analyze the universal scaling functions and the critical exponents at the upper critical dimension of a continuous phase transition. The consideration of the universal scaling behavior yields a decisive check of the value of…

统计力学 · 物理学 2009-11-10 S. Lubeck , P. C. Heger

We study the depinning transition for models representative of each of the two universality classes of interface roughening with quenched disorder. For one of the universality classes, the roughness exponent changes value at the transition,…

凝聚态物理 · 物理学 2009-10-22 Hernan A. Makse , Luis A. Nunes Amaral

The dynamical relaxation and scaling properties of three different variants of the contact process in two spatial dimensions are analysed. Dynamical contact processes capture a variety of contagious processes such as the spreading of…

统计力学 · 物理学 2018-03-01 Lucas Böttcher , Hans Jürgen Herrmann , Malte Henkel

The dynamics of a driven interface in a medium with random pinning forces is analyzed. The interface undergoes a depinning transition where the order parameter is the interface velocity $v$, which increases as $v \sim (F-F_c)^\theta$ for…

凝聚态物理 · 物理学 2009-10-28 Heiko Leschhorn , Thomas Nattermann , Semjon Stepanow , Lei-Han Tang

We study numerically the depinning transition of driven elastic interfaces in a random-periodic medium with localized periodic-correlation peaks in the direction of motion. The analysis of the moving interface geometry reveals the existence…

无序系统与神经网络 · 物理学 2010-10-20 S. Bustingorry , A. B. Kolton , T. Giamarchi

Interfaces advancing through random media represent a number of different problems in physics, biology and other disciplines. Here, we study the pinning/depinning transition of the prototypical non-equilibrium interfacial model, i.e. the…

统计力学 · 物理学 2016-08-10 Belén Moglia , Ezequiel V. Albano , Pablo Villegas , Miguel A. Muñoz

Continuous phase transitions are studied in a two dimensional nonequilibrium model with an infinite number of absorbing configurations. Spreading from a localized source is characterized by nonuniversal critical exponents, which vary…

凝聚态物理 · 物理学 2009-10-28 Ronald Dickman

We use a novel real-time formulation of the functional renormalization group (FRG) for dynamical systems with reversible mode couplings to study Model G and H, which are the conjectured dynamic universality classes of the two-flavor chiral…

高能物理 - 唯象学 · 物理学 2025-10-01 Yunxin Ye , Johannes V. Roth , Sören Schlichting , Lorenz von Smekal

We study the depinning transition of driven interfaces in thin ferromagnetic films driven by external magnetic fields. Approaching the transition point the correlation length increases with decreasing driving. If the correlation length…

统计力学 · 物理学 2016-08-31 L. Roters , K. D. Usadel
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