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We investigate the interaction between an infinite cylinder and a free fluid-fluid interface governed only by its surface tension. We study the deformation of an initially flat interface when it is deformed by the presence of a cylindrical…

软凝聚态物质 · 物理学 2012-08-15 Christophe Raufaste , Geoffroy Kirstetter , Franck Celestini , Simon Cox

This paper concerns a random walk that moves on the integer lattice and has zero mean and a finite variance. We obtain first an asymptotic estimate of the transition probability of the walk absorbed at the origin, and then, using the…

概率论 · 数学 2011-03-31 Kohei Uchiyama

We consider a diffusion process with coefficients that are periodic outside of an "interface region" of finite thickness. The question investigated in this article is the limiting long time/large scale behavior of such a process under…

概率论 · 数学 2011-04-20 Martin Hairer , Charles Manson

We investigate the evolution of the random interfaces in a two dimensional Potts model at zero temperature under Glauber dynamics for some particular initial conditions. We prove that under space-time diffusive scaling the shape of the…

概率论 · 数学 2007-05-23 Glauco Valle

When particle flux is regulated by multiple factors such as particle supply and varying transport rate, it is important to identify the respective dominant regimes. We extend the well-studied totally asymmetric simple exclusion model to…

统计力学 · 物理学 2013-10-30 L. Jonathan Cook , J. J. Dong , Alexander LaFleur

We discuss a one-dimensional model of a fluctuating interface with a dynamic exponent $z=1$. The events that occur are adsorption, which is local, and desorption which is non-local and may take place over regions of the order of the system…

统计力学 · 物理学 2016-08-31 Jan de Gier , Bernard Nienhuis , Paul A. Pearce , Vladimir Rittenberg

Motion of a rigid body immersed in a semi-infinite expanse of gas in a $d$-dimensional region bounded by an infinite plane wall is studied for free molecular flow on the basis of the free Vlasov equation under the specular boundary…

偏微分方程分析 · 数学 2022-05-11 Kai Koike

Diffusion in an evolving environment is studied by continuos-time Monte Carlo simulations. Diffusion is modelled by continuos-time random walkers on a lattice, in a dynamic environment provided by bubbles between two one-dimensional…

软凝聚态物质 · 物理学 2010-11-22 Janne Juntunen , Juha Merikoski

Conformal field theories can exchange energy through a boundary interface. Imposing conformal boundary conditions for static interfaces implies energy conservation at the interface. Recently, the reflective and transmitive properties of…

高能物理 - 理论 · 物理学 2024-01-23 Parthajit Biswas , Suchetan Das , Anirban Dinda

We present a simple one dimensional stochastic model with three control parameters and a surprisingly rich zoo of phase transitions. At each (discrete) site $x$ and time $t$, an integer $n(x,t)$ satisfies a linear interface equation with…

统计力学 · 物理学 2023-04-21 Peter Grassberger , Deepak Dhar , P. K. Mohanty

We study the effect of a uniform shear flow on an interface separating the two broken-symmetry ordered phases of a two-dimensional system with nonconserved scalar order parameter. The interface, initially flat and perpendicular to the flow,…

统计力学 · 物理学 2009-10-31 Rui D. M. Travasso , Alan J. Bray , Andrea Cavagna

There is scientific and industrial interest in understanding how geologic faults respond to transient sources of fluid. Natural and artificial sources can elevate pore fluid pressure on the fault frictional interface, which may induce slip.…

流体动力学 · 物理学 2024-09-06 Robert C. Viesca

We consider a system of independent one-dimensional random walkers where new particles are added at the origin at fixed rate whenever there is no older particle present at the origin. A Poisson ansatz leads to a semi-linear lattice heat…

概率论 · 数学 2015-09-14 Matthias Birkner , Rongfeng Sun

We consider two $d \geq 2$ conformal field theories (CFTs) glued together along a codimension one conformal interface. The conformal anomaly of such a system contains both bulk and interface contributions. In a curved-space setup, we…

高能物理 - 理论 · 物理学 2020-12-02 Christopher P. Herzog , Kuo-Wei Huang , Dmitri V. Vassilevich

We study completely asymmetric 2-channel exclusion processes in 1 dimension. It describes a two-way traffic flow with cars moving in opposite directions. The interchannel interaction makes cars slow down in the vicinity of approaching cars…

统计力学 · 物理学 2008-11-26 H. -W. Lee , V. Popkov , D. Kim

The dynamic behavior of the slip length in a fluid flow confined between atomically smooth surfaces is investigated using molecular dynamics simulations. At weak wall-fluid interactions, the slip length increases nonlinearly with the shear…

软凝聚态物质 · 物理学 2007-10-14 Nikolai V. Priezjev

We study the motion of phase interfaces in a diffusive lattice equation with bistable nonlinearity and derive a free boundary problem with hysteresis to describe the macroscopic evolution in the parabolic scaling limit. The first part of…

偏微分方程分析 · 数学 2015-03-03 Michael Helmers , Michael Herrmann

We study a one-dimensional anisotropic exclusion process describing particles injected at the origin, moving to the right on a chain of $L$ sites and being removed at the (right) boundary. We construct the steady state and compute the…

高能物理 - 格点 · 物理学 2009-10-22 Gunter Schuetz

We consider the scaling limit of a generic ferromagnetic system with a continuous phase transition, on the half plane with boundary conditions leading to the equilibrium of two different phases below criticality. We use general properties…

统计力学 · 物理学 2014-10-09 Gesualdo Delfino , Alessio Squarcini

In this research, the totally asymmetric exclusion process without particle number conservation is discussed. Based on the mean field approximation and the Rankine-Hugoniot condition, the necessary and sufficient conditions of the existence…

数学物理 · 物理学 2011-05-06 Yunxin Zhang