| Issue |
Europhys. Lett.
Volume 64, Number 1, October 2003
|
|
|---|---|---|
| Page(s) | 8 - 14 | |
| Section | General | |
| DOI | https://doi.org/10.1209/epl/i2003-00109-0 | |
| Published online | 01 November 2003 | |
Log-Poisson statistics and full aging in glassy systems
Fysisk Institut, Syddansk Universitet - 5230 Odense M,
Denmark
Received:
20
May
2003
Accepted:
23
July
2003
We argue that Poisson statistics in logarithmic time provides an
idealized description of non-equilibrium configurational
rearrangements in aging glassy systems. The description puts
stringent requirements on the geometry of the metastable
attractors visited at age 
. Analytical implications
for the residence time distributions as a function of
and the correlation functions are derived. These are verified by
extensive numerical studies of short-range Ising spin glasses.
PACS: 05.40.-a – Fluctuation phenomena, random processes, noise, and Brownian motion / 75.10.Nr – Spin-glass and other random models / 65.60.+a – Thermal properties of amorphous solids and glasses: heat capacity, thermal expansion, etc
© EDP Sciences, 2003
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