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Article Dans Une Revue Physical Review E Année : 2010

Second-order dynamic transition in a p=2 spin-glass model

Résumé

We consider the dynamics of a disordered p-spin model with p=2, analyzing the dynamics within Ruelle's thermodynamic formalism, We use an indicator of the dynamical activity to construct the relevant dynamical Gibbs ensemble. We prove that the dynamics in the low-temperature (spin glass) phase of the model take place at a second-order phase transition between dynamically active and inactive trajectories. We also show that the same behaviour is found in a related model of a three-dimensional ferromagnet.
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hal-00389732 , version 1 (29-05-2009)

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Kristina van Duijvendijk, Robert L Jack, Frédéric van Wijland. Second-order dynamic transition in a p=2 spin-glass model. Physical Review E , 2010, 81 (1), pp.011110. ⟨10.1103/PhysRevE.81.011110⟩. ⟨hal-00389732⟩
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