| Issue |
Europhys. Lett.
Volume 49, Number 5, March I 2000
|
|
|---|---|---|
| Page(s) | 590 - 596 | |
| Section | Condensed matter: structure, mechanical and thermal properties | |
| DOI | https://doi.org/10.1209/epl/i2000-00191-8 | |
| Published online | 01 September 2002 | |
Aging as dynamics in configuration space
1
Institute of Physics, Johannes-Gutenberg University -
D-55099 Mainz, Germany
2
Dipartimento di Fisica and Istituto Nazionale
per la Fisica della Materia Università di Roma “La Sapienza” -
P.le Aldo Moro 2, I-00185 Roma, Italy
Received:
9
November
1999
Accepted:
21
December
1999
Using molecular dynamics computer simulation we calculate for a simple
glass former eIS, the energy of the inherent structure,
in equilibrium and in the out-of-equilibrium situation. We show that
eIS can be used to define for the aging system an effective
time-dependent temperature 
. In particular we demonstrate that
during the aging process the system visits at time t configurations
which are typical for the equilibrium system at temperature .
PACS: 61.20.Lc – Time-dependent properties; relaxation / 61.20.Ja – Computer simulation of liquid structure / 64.70.Pf – Glass transitions
© EDP Sciences, 2000
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