Renewal aging and linear response

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dc.creatorAllegrini, Paolo
dc.creatorAscolani, Gianluca
dc.creatorBologna, Mauro
dc.creatorGrigolini, Paolo
dc.date2006-02-10
dc.date.accessioned2026-07-07T07:01:40Z
dc.date.available2026-07-07T07:01:40Z
dc.descriptionWe study the linear response to an external perturbation of a renewal process, in an aging condition that, with no perturbation, would yield super-diffusion. We use the phenomenological approach to the linear response adopted in earlier work of other groups, and we find that aging may have the effect of annihilating any sign of coherent response to harmonic perturbation. We also derive the linear response using dynamic arguments and we find a coherent response, although with an intensity dying out very slowly. In the case of a step-like perturbation the dynamic arguments yield in the long-time limit a steady signal whose intensity may be significantly smaller than the phenomenological approach prediction.
dc.description19 pages, submitted to P.R.E
dc.identifierhttps://arxiv.org/abs/cond-mat/0602281
dc.identifierhttp://arxiv.org/abs/cond-mat/0602281
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/108343
dc.subjectStatistical Mechanics
dc.titleRenewal aging and linear response
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