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9 papers · 1 filter
Anomalous diffusion of a particle in an aging medium
Noelle Pottier, Alain Mauger
We report new results about the anomalous diffusion of a particle in an aging medium. For each given age, the quasi-stationary particle velocity is governed by a generalized Langev…
Fluctuation spectrum of fluid membranes coupled to an elastic meshwork: jump of the effective surface tension at the mesh size
Jean-Baptiste Fournier, David Lacoste, Elie Raphael
We identify a class of composite membranes: fluid bilayers coupled to an elastic meshwork, that are such that the meshwork's energy is a function \textit{not}…
Effective interactions between inclusions in complex fluids driven out of equilibrium
Denis Bartolo, Armand Ajdari, Jean-Baptiste Fournier
The concept of fluctuation-induced effective interactions is extended to systems driven out of equilibrium. We compute the forces experienced by macroscopic objects immersed in a s…
Critical behavior of the 3-state Potts model on Sierpinski carpet
Pai-Yi Hsiao, Pascal Monceau
We study the critical behavior of the 3-state Potts model, where the spins are located at the centers of the occupied squares of the deterministic Sierpinski carpet. A finite-size…
Critical Behavior of the Ferromagnetic Ising Model on a Sierpinski Carpet: Monte Carlo Renormalization Group Study
Pai-Yi Hsiao, Pascal Monceau
We perform a Monte Carlo Renormalization Group analysis of the critical behavior of the ferromagnetic Ising model on a Sierpiński fractal with Hausdorff dimension $d_f\simeq 1.8928…
Corridors of barchan dunes: stability and size selection
P. Hersen, K. H. Andersen, H. Elbelrhiti +3
Barchans are crescentic dunes propagating on a solid ground. They form dune fields in the shape of elongated corridors in which the size and spacing between dunes are rather well s…