A Computational Procedure to Detect a New Type of High Dimensional Chaotic Saddle and its Application to the 3 - D Hill ’ s Problem

نویسندگان

  • H Waalkens
  • A Burbanks
چکیده

A computational procedure that allows the detection of a new type of high-dimensional chaotic saddle in Hamiltonian systems with three degrees of freedom is presented. The chaotic saddle is associated with a so-called normally hyperbolic invariant manifold (NHIM). The procedure allows to compute appropriate homoclinic orbits to the NHIM from which we can infer the existence a chaotic saddle. NHIMs control the phase space transport across an equilibrium point of saddle-centre- ...-centre stability type, which is a fundamental mechanism for chemical reactions, capture and escape, scattering, and, more generally, " transformation " in many different areas of physics. Consequently, the presented methods and results are of broad interest. The procedure is illustrated for the spatial Hill's problem which is a well known model in celestial mechanics and which gained much interest e.g. in the study of the formation of binaries in the Kuiper belt.

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تاریخ انتشار 2004