Abstract
Interrupted aging in the two-dimensional Ising spin glass model with Gaussian couplings is established and investigated via extensive Monte Carlo simulations. The spin autocorrelation function scales with t/τ(tw), where tw is the waiting time and τ is equal to tw for waiting times smaller than the equilibration time τeq. The spatial correlations scale with r/ξ(tw), where the correlation length ξ gives information about the averaged domain size in the system. Our results are better compatible with an algebraic growth law for ξ(tw), although it can also nicely be fitted to (log tw)1/ψ with ψ ≈ 0.63.
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