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cond-mat.stat-mech2007★ 70 cited
Long time behavior of quasi-stationary states of the Hamiltonian Mean-Field model
Alessandro Campa, Andrea Giansanti, Gianluca Morelli
The Hamiltonian Mean-Field model has been investigated, since its introduction about a decade ago, to study the equilibrium and dynamical properties of long-range interacting syste…
cond-mat.stat-mech2007★ 47 cited
Negative magnetic susceptibility and nonequivalent ensembles for the mean-field spin model
A. Campa, S. Ruffo, H. Touchette
We calculate the thermodynamic entropy of the mean-field spin model in the microcanonical ensemble as a function of the energy and magnetization of the model. The entropy and…