| Issue |
Europhys. Lett.
Volume 55, Number 6, September II 2001
|
|
|---|---|---|
| Page(s) | 767 - 773 | |
| Section | General | |
| DOI | https://doi.org/10.1209/epl/i2001-00106-9 | |
| Published online | 01 December 2003 | |
Aging dynamics and density relaxation in kinetic lattice gases under gravity
1
Instituto de Física,
Universidade Federal do Rio Grande do Sul
Caixa Postal 15051, CEP 91501-970, Porto Alegre, RS, Brazil
2
Laboratoire de Physique, École Normale Supérieure de Lyon
46 Allée d'Italie, F-69364 Lyon cedex 07, France
Corresponding authors: levin@if.ufrgs.br arenzon@if.ufrgs.br msellitt@ens-lyon.fr
Received:
16
February
2001
Accepted:
27
June
2001
We present an analytical approach to the out-of-equilibrium dynamics of a class of kinetic lattice gases under gravity. The location of the jamming transition, the critical exponents, and the scaling functions characterizing the relaxation processes are determined. In particular, we find that logarithmic compaction and simple aging are intimately related to the Vogel-Fulcher law, while power law compaction and super-aging behavior occur in the presence of a power law diffusion.
PACS: 05.40.-a – Fluctuation phenomena, random processes, noise, and Brownian motion / 05.70.Fh – Phase transitions: general studies
© EDP Sciences, 2001
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