Ising Spin Glasses in dimension five

Abstract

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.

13 pages, 26 figures

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Cited by in corpus (2)

• The bimodal Ising spin glass in dimension two : the anomalous dimension $\eta$
• Ising spin glasses in dimension two; universality and non-universality