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Amplitude modulation control of escape from a potential well

AuthorsChacón, Ricardo; Martínez García-Hoz, A.; Miralles, J. J.; Martínez, Pedro J.
Escape phenomena
Issue Date2014
CitationPhysics Letters A 378(16-17): 1104-1112 (2014)
AbstractWe demonstrate the effectiveness of periodic amplitude modulations in controlling (suppressing and enhancing) escape from a potential well through the universal model of a damped Helmholtz oscillator subjected to an external periodic excitation (the escape-inducing excitation) whose amplitude is periodically modulated (the escape-controlling excitation). Analytical and numerical results show that this multiplicative control works reliably for different subharmonic resonances between the two periodic excitations involved, and that its effectiveness is comparable to those of different methods of additive control. Additionally, we demonstrate the robustness of the multiplicative control against the presence of low-intensity Gaussian noise. © 2014 Elsevier B.V.
Identifiersdoi: 10.1016/j.physleta.2014.02.019
issn: 0375-9601
Appears in Collections:(ICMA) Artículos
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