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Aging of the Metropolis dynamics on the random energy model. (English) Zbl 1359.82018

Summary: We study the Metropolis dynamics of the simplest mean-field spin glass model, the random energy model. We show that this dynamics exhibits aging by showing that the properly rescaled time change process between the Metropolis dynamics and a suitably chosen ‘fast’ Markov chain converges in distribution to a stable subordinator. The rescaling might depend on the realization of the environment, but we show that its exponential growth rate is deterministic.

MSC:

82C44 Dynamics of disordered systems (random Ising systems, etc.) in time-dependent statistical mechanics
82D30 Statistical mechanics of random media, disordered materials (including liquid crystals and spin glasses)
60K37 Processes in random environments
82C80 Numerical methods of time-dependent statistical mechanics (MSC2010)
65C40 Numerical analysis or methods applied to Markov chains
60J22 Computational methods in Markov chains

References:

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