| Issue |
Europhys. Lett.
Volume 63, Number 1, July 2003
|
|
|---|---|---|
| Page(s) | 1 - 7 | |
| Section | General | |
| DOI | https://doi.org/10.1209/epl/i2003-00468-4 | |
| Published online | 01 June 2003 | |
A unifying model for chemical and colloidal gels
1
Dipartimento di Scienze Fisiche, Università di Napoli “Federico II” Complesso Universitario di Monte Sant'Angelo - via Cintia, 80126 Napoli, Italy
2
INFM Udr di Napoli and Gruppo coordinato SUN - Napoli, Italy
3
Dipartimento di Ingegneria dell'Informazione, Seconda Università di Napoli via Roma 29, 81031 Aversa (Caserta), Italy
Received:
7
February
2003
Accepted:
8
May
2003
We investigate the slow dynamics in gelling systems by means of Monte Carlo simulations on the cubic lattice of a minimal statistical mechanics model. By opportunely varying some model parameter we are able to describe a crossover from the chemical gelation behaviour to dynamics more typical of colloidal systems. The results suggest a novel connection linking classical gelation, as originally described by Flory, to more recent results on colloidal systems.
PACS: 05.20.-y – Classical statistical mechanics / 82.70.Gg – Gels and sols / 47.50.+d – Non-Newtonian fluid flows
© EDP Sciences, 2003
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