Issue |
Europhys. Lett.
Volume 69, Number 4, February 2005
|
|
---|---|---|
Page(s) | 496 - 502 | |
Section | General | |
DOI | https://doi.org/10.1209/epl/i2004-10372-5 | |
Published online | 14 January 2005 |
Facilitated spin models on Bethe lattice: Bootstrap percolation, mode-coupling transition and glassy dynamics
1
The Abdus Salam International Centre for Theoretical Physics Strada Costiera 11, 34100 Trieste, Italy
2
Service de Physique Théorique, CEA/Saclay Orme des Merisiers, F-91191 Gif-sur-Yvette Cedex, France
3
Laboratoire de Physique Théorique, École Normale Supérieure 24 rue Lhomond, Paris, France
Received:
17
September
2004
Accepted:
2
December
2004
We show that facilitated spin models of cooperative dynamics introduced by Fredrickson and Andersen display on Bethe lattices a glassy behaviour similar to the one predicted by the mode-coupling theory of supercooled liquids and the dynamical theory of mean-field disordered systems. At low temperature such cooperative models show a two-step relaxation and their equilibration time diverges at a finite temperature according to a power law. The geometric nature of the dynamical arrest corresponds to a bootstrap percolation process which leads to a phase space organization similar to the one of mean-field disordered systems. The relaxation dynamics after a subcritical quench exhibits aging and converges asymptotically to the threshold states that appear at the bootstrap percolation transition.
PACS: 05.20.-y – Classical statistical mechanics / 05.50.+q – Lattice theory and statistics (Ising, Potts, etc.) / 64.70.Pf – Glass transitions
© EDP Sciences, 2005
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