Return Maps, Dynamical Consequences and Applications

Regina Martínez, Carles Simó

Research output: Contribution to journalArticleResearchpeer-review

4 Citations (Scopus)

Abstract

© 2015, Springer Basel. After reviewing some general settings for return maps in problems reducible to 2D symplectic maps, details on the construction of return maps are presented. Different forms of such maps close to splitted separatrices (separatrix maps) are introduced, taking into account the size and shape of the splitting function and also the return time to the domains of interest. Then it is shown how to derive approximations by suitable standard-like maps. Dynamical consequences concerning the existence of invariant rotational curves (IRC) are derived. An application is made to theoretically estimate the location of the outermost IRC in the Sitnikov problem, which is in good agreement with numerical data. To compare with the cases which are approximated by the classical standard map, some details on the properties of the standard-like map with two harmonic terms are included. Finally a method to estimate the amount of chaos depending on the form of the separatrix map is introduced. Except otherwise stated all the systems we consider are assumed to be analytic, despite several of the properties we study are no longer analytic.
Original languageEnglish
Pages (from-to)353-379
JournalQualitative Theory of Dynamical Systems
Volume14
Issue number2
DOIs
Publication statusPublished - 1 Oct 2015

Keywords

  • Boundaries of confined motion
  • Return maps
  • Separatrix-like maps
  • Standard-like maps
  • The Sitnikov problem

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