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We investigate the steady state phase diagram of two-component driven open condensates in one dimension. We identify a miscible-immiscible transition which is predominantly driven by gapped density fluctuations and occurs upon increasing…

统计力学 · 物理学 2017-12-06 Liang He , Sebastian Diehl

Circular KPZ interfaces spreading radially in the plane have GUE Tracy-Widom (TW) height distribution (HD) and Airy$_2$ spatial covariance, but what are their statistics if they evolve on the surface of a different background space, such as…

统计力学 · 物理学 2019-04-03 I. S. S. Carrasco , T. J. Oliveira

We study height and roughness distributions of films grown with discrete Kardar-Parisi-Zhang (KPZ) models in a small time regime which is expected to parallel the typical experimental conditions. Those distributions are measured with square…

统计力学 · 物理学 2015-06-25 Thereza Paiva , F. D. A. Aarao Reis

Asymptotic Kardar-Parisi-Zhang (KPZ) properties are investigated in the totally asymmetric simple exclusion process (TASEP) with a localized geometric defect. In particular, we focus on the universal nature of nonequilibrium steady states…

统计力学 · 物理学 2019-09-23 Hyungjoon Soh , Meesoon Ha

Simulations of restricted solid-on-solid growth models are used to build the width-distributions of d=2-5 dimensional KPZ interfaces. We find that the universal scaling function associated with the steady-state width-distribution changes…

统计力学 · 物理学 2009-11-07 E. Marinari , A. Pagnani , G. Parisi , Z. Racz

We report numerical and analytic results for the spatial survival probability for fluctuating one-dimensional interfaces with Edwards-Wilkinson or Kardar-Parisi-Zhang dynamics in the steady state. Our numerical results are obtained from…

统计力学 · 物理学 2009-11-11 Satya N. Majumdar , Chandan Dasgupta

We have considered three different "one-body" statistical systems involving Brownian excursions, which possess for fluctuations Kardar-Parisi-Zhang scaling with the critical exponent $\nu=\frac{1}{3}$. In all models imposed external…

统计力学 · 物理学 2020-05-07 Alexander Gorsky , Sergei Nechaev , Alexander Valov

We study the dynamics and unbinding transition of vortices in the compact anisotropic Kardar-Parisi-Zhang (KPZ) equation. The combination of non-equilibrium conditions and strong spatial anisotropy drastically affects the structure of…

量子气体 · 物理学 2018-08-30 Lukas M. Sieberer , Ehud Altman

We study the short-time behavior of the probability distribution $\mathcal{P}(H,t)$ of the surface height $h(x=0,t)=H$ in the Kardar-Parisi-Zhang (KPZ) equation in $1+1$ dimension. The process starts from a stationary interface: $h(x,t=0)$…

统计力学 · 物理学 2016-09-29 Michael Janas , Alex Kamenev , Baruch Meerson

We study the dynamics of a growing crystalline facet where the growth mechanism is controlled by the geometry of the local curvature. A continuum model, in (2+1) dimensions, is developed in analogy with the Kardar-Parisi-Zhang (KPZ) model…

统计力学 · 物理学 2013-04-01 Amit K. Chattopadhyay

Kardar-Parisi-Zhang (KPZ) equation is a quasilinear stochastic partial differential equation(SPDE) driven by a space-time white noise. In recent years there have been several works directed towards giving a rigorous meaning to a solution of…

概率论 · 数学 2014-06-24 Sergio A. Almada Monter , Amarjit Budhiraja

We show that the emergence of different surface patterns (ripples, dots) can be well understood by a suitable mapping onto the simplest nonequilibrium lattice gases and cellular automata.Using this efficient approach difficult, unanswered…

统计力学 · 物理学 2014-01-21 Géza Ódor , Bartosz Liedke , Karl-Heinz Heinig , Jeffrey Kelling

This is a brief survey of recent experimental studies on out-of-equilibrium scaling laws, focusing on two prominent situations where non-trivial universality classes have been identified theoretically: absorbing-state phase transitions and…

统计力学 · 物理学 2014-01-27 Kazumasa A. Takeuchi

The joint probability distribution function (PDF) of the height and its gradients is derived for a zero tension $d+1$-dimensional Kardar-Parisi-Zhang (KPZ) equation. It is proved that the height`s PDF of zero tension KPZ equation shows lack…

混沌动力学 · 物理学 2015-06-26 A. Bahraminasab , S. M. A. Tabei , A. A. Masoudi , F. Shahbazi , M. Reza Rahimi Tabar

We study time-dependent density fluctuations in the stationary state of driven diffusive systems with two conserved densities $\rho_\lambda$. Using Monte-Carlo simulations of two coupled single-lane asymmetric simple exclusion processes we…

统计力学 · 物理学 2016-08-08 V. Popkov , J. Schmidt , G. M. Schütz

We propose Josephson junction arrays as realistic platforms for observing nonequilibrium scaling laws characterizing the Kardar-Parisi-Zhang (KPZ) universality class, and space-time soliton proliferation. Focusing on a two-chain ladder…

统计力学 · 物理学 2025-12-12 Mikheil Tsitsishvili , Reinhold Egger , Karsten Flensberg , Sebastian Diehl

We investigate the thermodynamic uncertainty relation for the $(1+1)$ dimensional Kardar-Parisi-Zhang equation on a finite spatial interval. In particular, we extend the results for small coupling strengths obtained previously to large…

统计力学 · 物理学 2021-12-30 Oliver Niggemann , Udo Seifert

There are two main universality classes for depinning of elastic interfaces in disordered media: quenched Edwards-Wilkinson (qEW), and quenched Kardar-Parisi-Zhang (qKPZ). The first class is relevant as long as the elastic force between two…

无序系统与神经网络 · 物理学 2023-06-14 Gauthier Mukerjee , Kay Joerg Wiese

Active fluids and growing interfaces are two well-studied but very different non-equilibrium systems. Each exhibits non-equilibrium behavior quite different from that of their equilibrium counterparts. Here we demonstrate a surprising…

软凝聚态物质 · 物理学 2016-08-09 Leiming Chen , Chiu Fan Lee , John Toner

We analyze simulations results of a model proposed for etching of a crystalline solid and results of other discrete models in the 2+1-dimensional Kardar-Parisi-Zhang (KPZ) class. In the steady states, the moments W_n of orders n=2,3,4 of…

统计力学 · 物理学 2009-11-10 Fabio D. A. Aarao Reis