Diluted one-dimensional spin glasses with power law decaying interactions

Details Diluted one-dimensional spin glasses with power law decaying interactions Diluted one-dimensional spin glasses with power law decaying interactions

2008-01-31

arxiv.org/abs/0801.4855v1

Phys. Rev. Lett. 101, 107203 (2008)

Physics

Condensed Matter

Disordered Systems and Neural Networks

4 pages, 6 figures, 2 tables

Scientific paper

10.1103/PhysRevLett.101.107203

We introduce a diluted version of the one dimensional spin-glass model with interactions decaying in probability as an inverse power of the distance. In this model varying the power corresponds to change the dimension in short-range models. The spin-glass phase is studied in and out of the range of validity of the mean-field approximation in order to discriminate between different theories. Since each variable interacts only with a finite number of others the cost for simulating the model is drastically reduced with respect to the fully connected version and larger sizes can be studied. We find both static and dynamic evidence in favor of the so-called replica symmetry breaking theory.

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