Homoclinic Orbits in Reversible Hamiltonian Systems

Details Homoclinic Orbits in Reversible Hamiltonian Systems Homoclinic Orbits in Reversible Hamiltonian Systems

2004-07-21

arxiv.org/abs/math/0407356v1

Mathematics

Dynamical Systems

11 pages, 8 figures

Scientific paper

We study the existence of homoclic solutions for reversible Hamiltonian systems taking the family of differential equations u^4+au^2-u+f(u,b)=0 as a model. Here f is an analytic function and a, b real parameters. These equations are important in several physical situations such as solitons and in the existence of ``finite energy'' stationary states of partial differential equations. We reduce the problem of computing these orbits to that of finding the intersection of the unstable manifold with a suitable set and then apply it to concrete situations. No assumptions of any kind of discrete symmetry is made and the analysis here developed can be successfully employed in situations where standard methods fail.

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