paper

The Kac limit for finite-range spin glasses

arXiv:cond-mat/0310356 · doi:10.1103/PhysRevLett.92.030602

Abstract

We consider a finite range spin glass model in arbitrary dimension, where the strength of the two-body coupling decays to zero over some distance . We show that, under mild assumptions on the interaction potential, the infinite-volume free energy of the system converges to that of the Sherrington-Kirkpatrick one, in the Kac limit . This could be a first step toward an expansion around mean field theory, for spin glass systems.

4 pages; references updated, typos corrected

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