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cond-mat.stat-mech2012★ 14 cited
Caloric curves fitted by polytropic distributions in the HMF model
A. Campa, P. H. Chavanis
We perform direct numerical simulations of the HMF model starting from non-magnetized initial conditions with a velocity distribution that is (i) gaussian, (ii) semi-elliptical, an…
cond-mat.stat-mech2012★ 11 cited
Overdamped dynamics of long-range systems on a one-dimensional lattice: Dominance of the mean-field mode and phase transition
Shamik Gupta, Alessandro Campa, Stefano Ruffo
We consider the overdamped dynamics of a paradigmatic long-range system of particles residing on the sites of a one-dimensional lattice, in the presence of thermal noise. The inter…