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cond-mat.stat-mech2004
Correlation function and generalized master equation of arbitrary age
Paolo Allegrini, Gerardo Aquino, Paolo Grigolini +3
We study a two-state statistical process with a non-Poisson distribution of sojourn times. In accordance with earlier work, we find that this process is characterized by aging and…
cond-mat.stat-mech2004
Aging and Rejuvenation with Fractional Derivatives
Gerardo Aquino, Mauro Bologna, Paolo Grigolini +1
We discuss a dynamic procedure that makes the fractional derivatives emerge in the time asymptotic limit of non-Poisson processes. We find that two-state fluctuations, with an inve…