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9 papers · 1 filter
Fluctuations of internal energy flow in a vibrated granular gas
A. Puglisi, P. Visco, A. Barrat +2
The non-equilibrium fluctuations of power flux in a fluidized granular media have been recently measured in an experiment [Phys. Rev. Lett. 92, 164301, 2004], which was announced t…
Injected power and entropy flow in a heated granular gas
P. Visco, A. Puglisi, A. Barrat +2
Our interest goes to the power injected in a heated granular gas and to the possibility to interpret it in terms of entropy flow. We numerically determine the distribution of the i…
Maxwell and very hard particle models for probabilistic ballistic annihilation: hydrodynamic description
Francois Coppex, Michel Droz, Emmanuel Trizac
The hydrodynamic description of probabilistic ballistic annihilation, for which no conservation laws hold, is an intricate problem with hard sphere-like dynamics for which no exact…
Hydrodynamics of probabilistic ballistic annihilation
Francois Coppex, Michel Droz, Emmanuel Trizac
We consider a dilute gas of hard spheres in dimension that upon collision either annihilate with probability or undergo an elastic scattering with probability .…
Selfduality for coupled Potts models on the triangular lattice
Jean-Francois Richard, Jesper Lykke Jacobsen, Marco Picco
We present selfdual manifolds for coupled Potts models on the triangular lattice. We exploit two different techniques: duality followed by decimation, and mapping to a related loop…
Scale Invariance and Self-averaging in disordered systems
Giorgio Parisi, Marco Picco, Nicolas Sourlas
In a previous paper we found that in the random field Ising model at zero temperature in three dimensions the correlation length is not self-averaging near the critical point and t…