Rejuvenation in the Random Energy Model

Abstract

We show that the Random Energy Model has interesting rejuvenation properties in its frozen phase. Different `susceptibilities' to temperature changes, for the free-energy and for other (`magnetic') observables, can be computed exactly. These susceptibilities diverge at the transition temperature, as (1-T/T_c)^-3 for the free-energy.

9 pages, 1 eps figure

References in corpus (2)

• Separation of time and length scales in spin-glasses: temperature as a microscope
• Aging effects and dynamic scaling in the 3d Edwards-Anderson spin glasses: a comparison with experiments

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• A p-Spin Interaction Ashkin-Teller Spin-Glass Model
• Branching Brownian motion versus Random Energy Model in the supercritical phase: overlap distribution and temperature susceptibility