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Real-space application of the mean-field description of spin-glass dynamics | A Barrat
; L Berthier
; | Date: |
20 Aug 2001 | Journal: | Phys Rev Lett, 87 (8), 087204 | Abstract: | The out of equilibrium dynamics of finite dimensional spin glasses is considered from a point of view going beyond the standard "mean-field theory" versus "droplet picture" debate of the past decades. The main predictions of both theories concerning the spin-glass dynamics are discussed. It is shown, in particular, that predictions originating from mean-field ideas concerning the violations of the fluctuation-dissipation theorem apply quantitatively, provided one properly takes into account the role of a spin-glass coherence length, which plays a central role in the droplet picture. Dynamics in a uniform magnetic field is also briefly discussed. | Source: | PubMed, pmid11497979 | Services: | Forum | Review | Favorites |
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