Non-Gaussian equilibrium in a long-range Hamiltonian system

Abstract

We study the dynamics of a system of N classical spins with infinite-range interaction. We show that, when the thermodynamic limit is taken before the infinite-time limit, the system does not relax to the Boltzmann-Gibbs equilibrium, but exhibits different equilibrium properties, characterized by stable non-Gaussian velocity distributions and dynamical power-law correlation in phase-space.

ReVteX, 6 pages, 3 ps figures, revised version, figures modified more arguments and refs added, typos corrected

References in corpus (1)

• Nonextensive Thermostatistics and the H-Theorem

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