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- Ising spin glasses in dimension five doi link

Auteur(s): Lundow P.H., Campbell I.

(Article) Publié: -Phys.rev.e, vol. 95 p.012112 (2017)
Texte intégral en Openaccess : arxiv


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DOI: 10.1103/PhysRevE.95.012112
WoS: 000391864200001
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Résumé:

Ising spin-glass models with bimodal, Gaussian, uniform, and Laplacian interaction distributions in dimension five are studied through detailed numerical simulations. The data are analyzed in both the finite-size scaling regime and the thermodynamic limit regime. It is shown that the values of critical exponents and of dimensionless observables at criticality are model dependent. Models in a single universality class have identical values for each of these critical parameters, so Ising spin-glass models in dimension five with different interaction distributions each lie in different universality classes. This result confirms conclusions drawn from measurements in dimension four and dimension two.