Blocking Radial Diffusion in a Double-Waved Hamiltonian Model
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Iop Publishing Ltd
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Abstract
A non-twist Hamiltonian system perturbed by two waves with particular wave numbers can present Robust Tori, barriers created by the vanishing of the perturbing Hamiltonian at some defined positions. When Robust Tori exist, any trajectory in phase space passing close to them is blocked by emergent invariant curves that prevent the chaotic transport. We analyze the breaking up of the RT as well the transport dependence on the wave numbers and on the wave amplitudes. Moreover, we report the chaotic web formation in the phase space and how this pattern influences the transport.
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English
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Dynamic Days South America 2010: International Conference on Chaos and Nonlinear Dynamics. Bristol: Iop Publishing Ltd, v. 285, p. 8, 2011.
