Numerical simulations show the existence of an ergodicity threshold in the Fermi-Pasta-Ulam α model. This feature is common to a large class of nonlinear Hamiltonian systems.
Further results on the equipartition threshold in large nonlinear Hamiltonian / R. Livi; M. Pettini; S. Ruffo; A. Vulpiani. - In: PHYSICAL REVIEW A, GENERAL PHYSICS. - ISSN 0556-2791. - STAMPA. - 31:(1985), pp. 2740-2742.
Further results on the equipartition threshold in large nonlinear Hamiltonian
LIVI, ROBERTO;RUFFO, STEFANO;
1985
Abstract
Numerical simulations show the existence of an ergodicity threshold in the Fermi-Pasta-Ulam α model. This feature is common to a large class of nonlinear Hamiltonian systems.
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