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Intermittency at critical transitions and aging dynamics at the onset of chaos

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Abstract

We recall that at both the intermittency transitions and the Feigenbaum attractor, in unimodal maps of non-linearity of order ζ > 1, the dynamics rigorously obeys the Tsallis statistics. We account for theq-indices and the generalized Lyapunov coefficients λq that characterize the universality classes of the pitchfork and tangent bifurcations. We identify the Mori singularities in the Lyapunov spectrum at the onset of chaos with the appearance of a special value for the entropic indexq. The physical area of the Tsallis statistics is further probed by considering the dynamics near criticality and glass formation in thermal systems. In both cases a close connection is made with states in unimodal maps with vanishing Lyapunov coefficients.

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  1. Instituto de Física, Universidad Nacional Autónoma de México, Apartado Postal 20-364, 01000 D.F., México, Mexico

    A. Robledo

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  1. A. Robledo
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Robledo, A. Intermittency at critical transitions and aging dynamics at the onset of chaos. Pramana - J Phys 64, 947–956 (2005). https://doi.org/10.1007/BF02704156

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