Absorption and emission in the non-poisson case: the theoretical challenge posed by renewal aging

AUTOR(ES)

Aquino, Gerardo, Palatella, Luigi, Grigolini, Paolo

FONTE

Brazilian Journal of Physics

DATA DE PUBLICAÇÃO

2005-06

RESUMO

This short paper aims at clarifying the physical meaning of a previous pubblication [G. Aquino, P. Grigolini, L. Palatella, Phys. Rev. Lett. 93 050601 (2004)], using later, although very recent, results. This has to do with the challenges posed to the Kubo-Anderson (KA) theory, and more in general to any form of Liouville-like approach, by the discovery of intermittent resonant fluorescence with a non-exponential distribution of waiting times. We show that to properly address the treatment of these problems the KA theory, valid in the case of aged systems, should be extended to aging systems, aging for a very extended time period or even forever, being a crucial consequence of non-Poisson statistics. This ambitious goal can be realized if we adopt the assumption that real wave-function collapses occur.

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