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相关论文: Vicinal Surface with Langmuir Adsorption: A Decora…

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We present an hybrid VOF/embedded boundary method allowing to model two-phase flows in presence of solids with arbitrary shapes. The method relies on the coupling of existing methods: a geometric Volume of fluid (VOF) method to tackle the…

A Langmuir film is a molecularly thin film on the surface of a fluid; we study the evolution of a Langmuir film with two co-existing fluid phases driven by an inter-phase line tension and damped by the viscous drag of the underlying…

软凝聚态物质 · 物理学 2009-11-13 J. R. Wintersmith , L. Zou , A. J. Bernoff , J. C. Alexander , J. A. Mann , E. E. Kooijman , E. K. Mann

Monte Carlo (MC) simulations have been carried out to study the adsorption on square and triangular lattices of particles with two bonding sites that, by decreasing temperature or increasing density, polymerize reversibly into chains with a…

统计力学 · 物理学 2012-11-06 L. G. López , A. J. Ramirez-Pastor

We consider the adsorption of a random heteropolymer onto an interface within the model by Garel et al. [1] by taking into account self-interactions between the monomers. Within the replica trick and by using a self-consistent preaveraging…

软凝聚态物质 · 物理学 2009-11-07 Valerii A. Brazhnyi , Semjon Stepanow

The adsorption behavior of ions at liquid-vapor interfaces exhibits several unexpected yet generic features. In particular, energy and entropy are both minimum when the solute resides near the surface, for a variety of ions in a range of…

统计力学 · 物理学 2017-02-08 Suriyanarayanan Vaikuntanathan , Patrick R. Shaffer , Phillip L. Geissler

We analyze the structural behavior of a single polymer chain grafted to an attractive, flexible surface. Our model is composed of a coarse-grained bead-and-spring polymer and a tethered membrane. By means of extensive parallel tempering…

软凝聚态物质 · 物理学 2011-09-26 Steffen Karalus , Wolfhard Janke , Michael Bachmann

Using molecular dynamics simulations, we study the slow dynamics of supercooled liquids confined in a random matrix of immobile obstacles. We study the dynamical crossover from glass-like to Lorentz-gas-like behavior in terms of the density…

软凝聚态物质 · 物理学 2011-05-30 Kang Kim , Kunimasa Miyazaki , Shinji Saito

We address the dynamics of adsorbed molecules (a fundamental issue in surface physics) within the framework of a Master Equation scheme, and study the diffusion of particles in a finite cubic lattice whose boundaries are at the $z=1$ and…

统计力学 · 物理学 2009-11-10 Jorge A. Revelli , Carlos. E. Budde , Domingo Prato , Horacio S. Wio

We study heat transfer in plane Couette flow laden with rigid spherical particles by means of direct numerical simulations using a direct-forcing immersed boundary method to account for the dispersed phase. A volume of fluid approach is…

流体动力学 · 物理学 2016-11-08 Mehdi Niazi Ardekani , Omid Abouali , Francesco Picano , Luca Brandt

In this paper, we develop an encounter-based model of partial surface adsorption for fractional diffusion in a bounded domain. We take the probability of adsorption to depend on the amount of particle-surface contact time, as specified by a…

统计力学 · 物理学 2023-03-21 Paul C Bressloff

Adsorption of polymers to surfaces is crucial for understanding many fundamental processes in nature. Recent experimental studies indicate that the adsorption dynamics is dominated by non-equilibrium effects. We investigate the adsorption…

软凝聚态物质 · 物理学 2009-05-12 Debabrata Panja , Gerard T. Barkema , Anatoly B. Kolomeisky

Using a coarse-grained bead-spring model of flexible polymer chains, the structure of a polymeric nanodroplet adsorbed on a chemically decorated flat wall is investigated by means of Molecular Dynamics simulation. We consider sessile drops…

软凝聚态物质 · 物理学 2009-11-10 J. Yaneva , A. Milchev , K. Binder

We introduce a model description of femtosecond laser induced desorption at surfaces. The substrate part of the system is taken into account as a (possibly semi-infinite) linear chain. Here, being especially interested in the early stages…

介观与纳米尺度物理 · 物理学 2016-05-25 Emil Boström , Anders Mikkelsen , Claudio Verdozzi

The adsorption of volatile molecules onto dust grain surfaces fundamentally influences dust-related processes, including condensation of gas-phase molecules, dust coagulation, and planet formation in protoplanetary disks. Using advanced…

地球与行星天体物理 · 物理学 2026-03-05 Lile Wang , Feng Long , Haifeng Yang , Ruobing Dong , Shenzhen Xu

Random sequential adsorption (RSA) models have been studied due to their relevance to deposition processes on surfaces. The depositing particles are represented by hard-core extended objects; they are not allowed to overlap. Numerical Monte…

凝聚态物理 · 物理学 2016-07-12 P. Nielaba , V. Privman , J. -S. Wang

The process of adsorption on a planar repulsive, "marginal" and attractive wall of long-flexible polymer chains with excluded volume interactions is investigated. The performed scaling analysis is based on formal analogy between the polymer…

软凝聚态物质 · 物理学 2009-10-08 Z. Usatenko

We consider self-avoiding lattice polygons, in the hypercubic lattice, as a model of a ring polymer adsorbed at a surface and either being desorbed by the action of a force, or pushed towards the surface. We show that, when there is no…

统计力学 · 物理学 2018-02-14 AJ Guttmann , EJ Janse van Rensburg , I Jensen , SG Whittington

Adsorption on a boundary line confining a monolayer of particles self-assembling into clusters is studied by MC simulations. We focus on a system of particles interacting via competing interaction potential in which effectively short-range…

软凝聚态物质 · 物理学 2020-01-22 E. Bildanau , J. Pȩkalski , V. Vikhrenko , A. Ciach

The problem of surface effects at a fluid boundary created by the force field of finite value is investigated. A classical simple fluid with a locally introduced field imitating a permeable solid is considered. The cases of micro- and…

统计力学 · 物理学 2011-12-09 V. M. Zaskulnikov

Optical spectroscopy of atoms and molecules is a field where one usually operates very far from thermal equilibrium conditions. A prominent example is spectroscopy of thin vapors, where the pump irradiation leads to a non equilibrium…