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6 papers · 2 filters
The Hamiltonian Mean Field model: anomalous or normal diffusion?
Andrea Antoniazzi, Duccio Fanelli, Stefano Ruffo
We consider the out-of-equilibrium dynamics of the Hamiltonian Mean Field (HMF) model, by focusing in particular on the properties of single-particle diffusion. As we shall here de…
The need for inertia in nonequilibrium steady states of sheared binary fluids
Suzanne M. Fielding
We study numerically phase separation in a binary fluid subject to an applied shear flow in two dimensions, with full hydrodynamics. To do so, we introduce a mixed finite-differenc…
Out-of-equilibrium tricritical point in a system with long-range interactions
Andrea Antoniazzi, Duccio Fanelli, Stefano Ruffo +1
Systems with long-range interactions display a short-time relaxation towards Quasi Stationary States (QSSs) whose lifetime increases with system size. With reference to the Hamilto…
Domain growth morphology in curvature driven two dimensional coarsening
Alberto Sicilia, Jeferson J. Arenzon, Alan J. Bray +1
We study the distribution of domain areas, areas enclosed by domain boundaries (''hulls''), and perimeters for curvature-driven two-dimensional coarsening, employing a combination…
Survival of a diffusing particle in an expanding cage
Alan J Bray, Richard Smith
We consider a Brownian particle, with diffusion constant D, moving inside an expanding d-dimensional sphere whose surface is an absorbing boundary for the particle. The sphere has…
Stochastic Models of Evolution in Genetics, Ecology and Linguistics
R. A. Blythe, A. J. McKane
We give a overview of stochastic models of evolution that have found applications in genetics, ecology and linguistics for an audience of nonspecialists, especially statistical phy…