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Which is the temperature of granular systems? A mean field model of free cooling inelastic mixtures
Umberto Marini Bettolo Marconi, Andrea Puglisi
We consider a mean field model describing the free cooling process of a two component granular mixture, a generalization of so called Maxwell model. The cooling is viewed as an ord…
Influence of correlations on the velocity statistics of scalar granular gases
A. Baldassarri, U. Marini Bettolo Marconi, A. Puglisi
The free evolution of inelastic particles in one dimension is studied by means of Molecular Dynamics (MD), of an inelastic pseudo-Maxwell model and of a lattice model, with emphasi…
Cooling of a lattice granular fluid as an ordering process
A. Baldassarri, U. Marini Bettolo Marconi, A. Puglisi
We present a new microscopic model of granular medium to study the role of dynamical correlations and the onset of spatial order induced by the inelasticity of the interactions. In…