- Random Energy Model
In

statistical physics ofdisordered systems the**Random Energy Model**is a toy model of a system withquenched disorder . It concerns the statistics of a system of $N$ particles, such that the number of possible states for the systems grow as $2^N$, while the energy of such states is a Gaussianstochastic variable . The model has an exact solution. Its simplicity makes this model suitable for pedagogical introduction of concepts likequenched disorder and replica symmetry.

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