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nlin.PS2003★ 2 cited
Effective Hamiltonian for traveling discrete breathers in the FPU chain
Michael Kastner, Jacques-Alexandre Sepulchre
For the Fermi-Pasta-Ulam chain, an effective Hamiltonian is constructed, describing the motion of approximate, weakly localized discrete breathers traveling along the chain. The ve…
nlin.PS2003
Breathers in a model of a polymer with secondary structure
Michael Kastner, Tomas J. Lazaro
A simple model of a polymer is considered: a chain of (different) point masses, connected by harmonic springs, embedded in two dimensional space. In order to determine conditions f…