Escaping from a degenerate version of the four hill potential

Euaggelos E. Zotos, Wei Chen and Christof Jung

Chaos, Solitons & Fractals, 2019, vol. 126, issue C, 12-22

Abstract: We examine the escape from the four hill potential by using the method of grid classification, when polar coordinates are used for expressing the initial conditions of the orbits. In particular, we investigate how the energy of the orbits influences several aspects of the escape dynamics, such as the escape period and the chosen channels of escape. Color-coded basin diagrams are deployed for presenting the basins of escape using multiple types of planes with two dimensions. We demonstrate that the value of the energy highly influences the escape mechanism of the orbits, as well as the degree of fractality of the dynamical system, which is numerically estimated by computing both the fractal dimension and the entropy of the basin boundaries.

Keywords: Hamiltonian systems; Basins of escapes; Degree of fractality (search for similar items in EconPapers)
Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:126:y:2019:i:c:p:12-22

DOI: 10.1016/j.chaos.2019.05.036

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