Metastable states in a class of long-range Hamiltonian systems
Alessandro Campa, Andrea Giansanti, Daniele Moroni
Abstract
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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