Volume 55, Number 4, August 2001
|Page(s)||465 - 471|
|Published online||01 December 2003|
A ferromagnet with a glass transition
The Abdus Salam International Centre for
Theoretical Physics Condensed Matter Group -
Strada Costiera 11 P.O. Box 586, I-34100 Trieste, Italy
2 LPTMS, Université de Paris Sud - Bât. 100, F-91405 Orsay, France
3 Institute for Theoretical Physics, University of Göttingen Bunsenstr. 9, D-37073 Göttingen, Germany
Corresponding authors: email@example.com firstname.lastname@example.org email@example.com firstname.lastname@example.org email@example.com
Accepted: 30 May 2001
We introduce a finite-connectivity ferromagnetic model with a three-spin interaction which has a crystalline (ferromagnetic) phase as well as a glass phase. The model is not frustrated, it has a ferromagnetic equilibrium phase at low temperature which is not reached dynamically in a quench from the high-temperature phase. Instead it shows a glass transition which can be studied in detail by a one-step replica-symmetry-broken calculation. This spin model exhibits the main properties of the structural glass transition at a solvable mean-field level.-1
PACS: 05.70.Jk – Critical point phenomena / 64.70.Pf – Glass transitions / 75.10.Nr – Spin-glass and other random models
© EDP Sciences, 2001
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