Hamiltonian dynamics reveals the existence of quasi-stationary states for long-range systems in contact with a reservoir

Details Hamiltonian dynamics reveals the existence of quasi-stationary states for long-range systems in contact with a reservoir Hamiltonian dynamics reveals the existence of quasi-stationary states for long-range systems in contact with a reservoir

2006-03-14

arxiv.org/abs/cond-mat/0603383v2

Phys. Rev. Lett. {\bf 96}, 240602 (2006)

Physics

Condensed Matter

Statistical Mechanics

Title changed, throughout revision of the text

Scientific paper

10.1103/PhysRevLett.96.240602

We introduce a Hamiltonian dynamics for the description of long-range interacting systems in contact with a thermal bath (i.e., in the canonical ensemble). The dynamics confirms statistical mechanics equilibrium predictions for the Hamiltonian Mean Field model and the equilibrium ensemble equivalence. We find that long-lasting quasi-stationary states persist in presence of the interaction with the environment. Our results indicate that quasi-stationary states are indeed reproducible in real physical experiments.

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