Energy relaxation in Fermi–Pasta–Ulam arrays

R. Reigada, A. Sarmiento and Katja Lindenberg

Physica A: Statistical Mechanics and its Applications, 2002, vol. 305, issue 3, 467-485

Abstract: The dynamics of energy relaxation in thermalized one- and two-dimensional arrays with nonlinear interactions depend in detail on the interactions and, in some cases, on dimensionality. We describe and explain these differences for arrays of the Fermi–Pasta–Ulam type. In particular, we focus on the roles of harmonic contributions to the interactions and of breathers in the relaxation process.

Keywords: Localized modes; Thermal relaxation; Fermi–Pasta–Ulam arrays (search for similar items in EconPapers)
Date: 2002
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:305:y:2002:i:3:p:467-485

DOI: 10.1016/S0378-4371(01)00573-8

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