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Dynamics and thermodynamics of the spherical frustrated Blume-Emery-Griffiths model | | A Caiazzo
; A Coniglio
; M Nicodemi
; | | Date: |
30 Sep 2002 | | Journal: | Phys Rev E, 66 (4 Pt 2), 046101 | | Abstract: | We introduce a spherical version of the frustrated Blume-Emery-Griffiths model and solve exactly the statics and the Langevin dynamics for zero particle-particle interaction (K=0). In this case the model exhibits an equilibrium transition from a disordered to a spin glass phase, which is always continuous for nonzero temperature. The same phase diagram results from the study of the dynamics. Furthermore, we note the existence of a nonequilibrium time regime in a region of the disordered phase, characterized by aging, as occurs in the glassy phase. Due to a finite equilibration time, the system displays in this region the pattern of interrupted aging. | | Source: | PubMed, pmid12443253 | | Other source: | [GID 1089173] cond-mat/0301621 | | Services: | Forum | Review | Favorites | |
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