Metastable states in a class of long-range Hamiltonian systems

We numerically show that metastable states, similar to the quasi-stationary states found in the so-called Hamiltonian Mean Field Model, are also present in a generalized model in which N classical spins (rotators) interact through ferromagnetic couplings decaying as r−α, where r is their distance over a regular lattice. Scaling laws with N are briefly discussed.

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Year of publication:	2002
Authors:	Campa, Alessandro ; Giansanti, Andrea ; Moroni, Daniele
Published in:	Physica A: Statistical Mechanics and its Applications. - Elsevier, ISSN 0378-4371. - Vol. 305.2002, 1, p. 137-143
Publisher:	Elsevier
Subject:	Hamiltonian dynamics \| Long-range interactions \| Metastable states \| Nonextensive statistical mechanics

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Type of publication:	Article
Source:	RePEc - Research Papers in Economics

Persistent link: https://www.econbiz.de/10011061143