On the nature of dynamic chaos in a neighborhood of a separatrix of a conservative system |
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Authors: | N A Magnitskii |
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Institution: | (1) Institute for Systems Analysis, Russian Academy of Sciences, Moscow, Russia |
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Abstract: | In the present paper, we give a new treatment of the mechanism of generation of chaotic dynamics in a perturbed conservative system in a neighborhood of the separatrix contour of a hyperbolic singular point of the unperturbed system. We theoretically prove and justify by three numerical examples of classical Hamiltonian systems with one and a half degrees of freedom and by an example of a simply conservative three-dimensional system that the complication of the dynamics in a conservative system as the perturbation increases is caused by a nonlocal effect of multiplication of hyperbolic and elliptic cycles (and the tori surrounding them), which has nothing in common with the mechanism of separatrix splitting in classical Hamiltonian mechanics. |
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