| Issue |
Europhys. Lett.
Volume 60, Number 2, October 2002
|
|
|---|---|---|
| Page(s) | 316 - 322 | |
| Section | Condensed matter: electronic structure, electrical, magnetic, and optical properties | |
| DOI | https://doi.org/10.1209/epl/i2002-00352-3 | |
| Published online | 01 October 2002 | |
Temperature chaos in a replica-symmetry-broken spin glass model —A hierarchical model with temperature chaos
1
Laboratoire de Physique Théorique et Modèles Statistiques, Bât. 100 Université Paris-Sud - F-91405 Orsay, France
2
Service de Physique de l'État Condensé, Orme des Merisiers-CEA Saclay 91191 Gif-sur-Yvette Cedex, France
Received:
20
June
2002
Accepted:
1
August
2002
Temperature chaos is an extreme sensitivity of the equilibrium state to a change of temperature. It arises in several disordered systems that are described by the so-called scaling theory of spin glasses, while it seems to be absent in mean-field models. We consider a model spin glass on a tree and show that although it has mean-field behavior with replica symmetry breaking, it manifestly has “strong” temperature chaos. We also show why chaos appears only very slowly with system size.
PACS: 75.10.Nr – Spin-glass and other random models
© EDP Sciences, 2002
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