J. Phys. I France
Volume 1, Numéro 5, May 1991
Page(s) 659 - 667
DOI: 10.1051/jp1:1991160
J. Phys. I France 1 (1991) 659-667

Dynamics in a spin glass model with large order parameter fluctuations

A. Jagannathan

Centre de Physique Théorique CNRS Laboratory UPR 14, Ecole Polytechnique, 91128 Palaiseau Cedex, France

(Received 1 October 1990, revised 17 Decembre 1990, accepted 30 January 1991)

A dynamical extension of the mean spherical model for spin glasses is presented. Features of nonselfaveraging and large fluctuations present in the original model are seen to result in the existence of a spectrum of time scales of relaxation, leading to non-exponential spin correlations.

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