The ordering temperature and critical exponents of the binomial Ising spin glass in dimension three

preprint2002arXivOpen access

Abstract

We compare numerical estimates from different sources for the ordering temperature TgT_g and the critical exponents of the Ising spin glass in dimension three with binomial (±J\pm J) interactions. Corrections to finite size scaling turn out to be important especially for parameters such as the Binder cumulant. For non-equilibrium parameters it is easier to approach the large size limit and to allow for corrections to scaling. Relying principally on such data, a crossing point defines the freezing temperature TgT_g; the possibility that the ordering temperature is zero can definitively be excluded. We estimate an ordering temperature Tg=1.195(15)T_g = 1.195(15), with associated estimates of the critical exponents for which corrections to finite size scaling are well under control. Among the parameters evaluated is the leading dynamic correction to scaling exponent ww.

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