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Evidence for nonuniversal scaling in dimension-four Ising spin glasses
Phys. Rev. E 91, 042121 – Published 17 April, 2015
DOI: https://doi.org/10.1103/PhysRevE.91.042121
Abstract
The critical behavior of the Binder cumulant for Ising spin glasses in dimension four is studied through simulation measurements. Data for the bimodal interaction model are compared with those for the Laplacian interaction model. Special attention is paid to scaling corrections. The limiting infinite size value at criticality for this dimensionless variable is a parameter characteristic of a universality class. This critical limit is estimated to be equal to 0.523(3) in the bimodal model and to 0.473(3) in the Laplacian model.
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