Local energy statistics in disordered systems: a proof of the local REM conjecture

Abstract

Recently, Bauke and Mertens conjectured that the local statistics of energies in random spin systems with discrete spin space should in most circumstances be the same as in the random energy model. Here we give necessary conditions for this hypothesis to be true, which we show to hold in wide classes of examples: short range spin glasses and mean field spin glasses of the SK type. We also show that, under certain conditions, the conjecture holds even if energy levels that grow moderately with the volume of the system are considered.

References in corpus (2)

• Universality in the level statistics of disordered systems
• A tomography of the GREM: beyond the REM conjecture

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