Measuring the transition between nonhyperbolic and hyperbolic regimes in open Hamiltonian systems

dc.contributor.authorNieto, Alexandre R.
dc.contributor.authorZotos, Euaggelos E.
dc.contributor.authorSeoane, Jesús M.
dc.contributor.authorSanjuán, Miguel A.F.
dc.date.accessioned2024-04-03T06:12:11Z
dc.date.available2024-04-03T06:12:11Z
dc.date.issued2020
dc.description.abstractWe show that the presence of KAM islands in nonhyperbolic chaotic scattering has deep implications on the unpredictability of open Hamiltonian systems. When the energy of the system increases, the particles escape faster. For this reason, the boundary of the exit basins becomes thinner and less fractal. Hence, we could expect a monotonous decrease in the unpredictability as well as in the fractal dimension. However, within the nonhyperbolic regime, fluctuations in the basin entropy have been uncovered. The reason is that when increasing the energy, both the size and geometry of the KAM islands undergo abrupt changes. These fluctuations do not appear within the hyperbolic regime. Hence, the fluctuations in the basin entropy allow us to ascertain the hyperbolic or nonhyperbolic nature of a system. In this manuscript, we have used continuous and discrete open Hamiltonian systems in order to show the relevant role of the KAM islands on the unpredictability of the exit basins, and the utility of the basin entropy to analyze this kind of systems.es
dc.identifier.citationAlexandre R. Nieto, Euaggelos E. Zotos, Jesús M. Seoane, and Miguel A.F. Sanjuán. Measuring the transition between nonhyperbolic and hyperbolic regimes in open Hamiltonian systems. Nonlinear Dyn. 99, 3029-3039 (2020)es
dc.identifier.doi10.1007/s11071-019-05433-4es
dc.identifier.issn1573-269X
dc.identifier.urihttps://hdl.handle.net/10115/31910
dc.language.isoenges
dc.publisherSpringeres
dc.rights.accessRightsinfo:eu-repo/semantics/closedAccesses
dc.titleMeasuring the transition between nonhyperbolic and hyperbolic regimes in open Hamiltonian systemses
dc.typeinfo:eu-repo/semantics/articlees

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