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Aging of spherical spin glasses
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  • Published: May 2001

Aging of spherical spin glasses

  • G. Ben Arous1,
  • A. Dembo2 &
  • A. Guionnet3 

Probability Theory and Related Fields volume 120, pages 1–67 (2001)Cite this article

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Abstract.

Sompolinski and Zippelius (1981) propose the study of dynamical systems whose invariant measures are the Gibbs measures for (hard to analyze) statistical physics models of interest. In the course of doing so, physicists often report of an “aging” phenomenon. For example, aging is expected to happen for the Sherrington-Kirkpatrick model, a disordered mean-field model with a very complex phase transition in equilibrium at low temperature. We shall study the Langevin dynamics for a simplified spherical version of this model. The induced rotational symmetry of the spherical model reduces the dynamics in question to an N-dimensional coupled system of Ornstein-Uhlenbeck processes whose random drift parameters are the eigenvalues of certain random matrices. We obtain the limiting dynamics for N approaching infinity and by analyzing its long time behavior, explain what is aging (mathematically speaking), what causes this phenomenon, and what is its relationship with the phase transition of the corresponding equilibrium invariant measures.

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Authors and Affiliations

  1. Ecole Polytechnique Fédérale de Lausanne, 1015 Lausanne, Switzerland. e-mail: Gerard.Benarous@epfl.ch, , , , , , CH

    G. Ben Arous

  2. Stanford University, Stanford, CA 94305, USA. e-mail: amir@stat.stanford.edu., , , , , , US

    A. Dembo

  3. URA 743, CNRS, Bat. 425, Université de Paris Sud, 91405 Orsay, France and DMA, Ecole Normale Supérieure, 45 rue d'Ulm, 75005 Paris, France. e-mail: alice.guionnet@ens.fr, , , , , , FR

    A. Guionnet

Authors
  1. G. Ben Arous
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  2. A. Dembo
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  3. A. Guionnet
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Received: 8 July 1999 / Revised version: 2 June 2000 / Published online: 6 April 2001

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Arous, G., Dembo, A. & Guionnet, A. Aging of spherical spin glasses. Probab Theory Relat Fields 120, 1–67 (2001). https://doi.org/10.1007/PL00008774

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  • Issue Date: May 2001

  • DOI: https://doi.org/10.1007/PL00008774

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  • Mathematics Subject Classification (2000): 60H10, 82B44, 60F10, 60K35, 82C44, 82C31, 82C22, 15A18, 15A52
  • Key words or phrases: Interacting random processes – Disordered systems – Large deviations – Statistical mechanics – Langevin dynamics – Eigenvalues, Random matrices
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