A tomography of the GREM: beyond the REM conjecture

Details A tomography of the GREM: beyond the REM conjecture A tomography of the GREM: beyond the REM conjecture

2005-04-14

arxiv.org/abs/cond-mat/0504363v1

Physics

Condensed Matter

Disordered Systems and Neural Networks

Scientific paper

10.1007/s00220-005-1517-0

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. This was proven in a large class of models for energies that do not grow too fast with the system size. Considering the example of the generalized random energy model, we show that the conjecture breaks down for energies proportional to the volume of the system, and describe the far more complex behavior that then sets in.

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