Condensed Matter Theory

Abstract:

The aim of this paper is to describe the extension of a particle-based mesoscale modeling approach to binary fluid how. In particular we show that a viscous drag between the two fluid components can lead to concentration modulations when an oscillatory force is applied to one components. This confirms predictions obtained using a lattice Boltzmann algorithm. (C) 2000 Elsevier Science B.V. All rights reserved.

Abstract:

We study the continuous time dynamics of the thermal minority game. We find that the dynamical equations of the model reduce to a set of stochastic differential equations for an interacting disordered system with nontrivial random diffusion. This is the simplest microscopic description which accounts for all the features of the system. Within this framework, we study the phase structure of the model and find that its macroscopic properties strongly depend on the initial conditions.

Abstract:

The dynamics of the deformations of a moving contact line is formulated. It is shown that an advancing contact line relaxes more quickly as compared to the equilibium case, while for a receding contact line there is a corresponding slowing down. For a receding contact line on a heterogeneous solid surface, it is found that a roughening transition takes place which formally corresponds to the onset of leaving a Landau-Levich film.