Topologically inequivalent orbits induced by noise |
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Authors: | Mendez Jorge M Aliaga J Mindlin G B |
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Institution: | Departamento de Física, FCEN, UBA, Ciudad Universitaria, Pabellón I (1428), Buenos Aires, Argentina. |
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Abstract: | In this Letter we extend the concept of stochastic resonance. We show that in forced excitable systems noise can be responsible for the appearance of recurrences presenting a robust topological organization inequivalent to the periodic orbits of the deterministic system. As in stochastic resonance, these new structures are most pronounced at an optimal noise intensity. |
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