Ontology type: schema:ScholarlyArticle
2005-07
AUTHORS ABSTRACTWe revisit the celebrated model of Fermi, Pasta, and Ulam with the purpose of investigating the thresholds to equipartition in the thermodynamic limit. Starting with a particular class of initial conditions, i.e., with all the energy on the first mode, we observe that in a short time the system splits into two separate subsystems. We conjecture the existence of a function εc(ω), independent of the number N of particles in the chain, such that if the initial energy E satisfies E/N < εc(ω), then only the packet of modes with frequency not exceeding ω shares most of the energy. Bibliography: 25 titles. More... »
PAGES2761-2766
http://scigraph.springernature.com/pub.10.1007/s10958-005-0227-7
DOIhttp://dx.doi.org/10.1007/s10958-005-0227-7
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