Volume 69, Number 4, February 2005
|Page(s)||524 - 530|
|Published online||14 January 2005|
Ageing and dynamical scaling in the critical Ising spin glass
Laboratoire de Physique des Matériaux (CNRS UMR 7556), Université Henri Poincaré Nancy I - B.P. 239, F-54506 Vandœuvre lès Nancy Cedex, France
2 Institut für Theoretische Physik I, Universität Erlangen-Nürnberg D-91058 Erlangen, Germany
Accepted: 10 December 2004
The non-equilibrium ageing behaviour of the three-dimensional and four-dimensional critical Ising spin glass is studied for both binary and Gaussian disorder. The same phenomenology of the time-dependent scaling as in non-disordered magnets is found but the non-equilibrium exponents and the universal limit fluctuation-dissipation ratio depend on the distribution of the coupling constants.
PACS: 05.70.Ln – Nonequilibrium and irreversible thermodynamics / 75.50.Lk – Spin glasses and other random magnets / 64.60.Ht – Dynamic critical phenomena
© EDP Sciences, 2005
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