Dynamic critical behaviour in Ising spin glasses

Details Dynamic critical behaviour in Ising spin glasses Dynamic critical behaviour in Ising spin glasses

2005-06-30

arxiv.org/abs/cond-mat/0506795v3

Phys. Rev. B 72, 184429 (2005)

Physics

Condensed Matter

Disordered Systems and Neural Networks

8 pages, 4 figures, version to appear in Phys. Rev. B

Scientific paper

10.1103/PhysRevB.72.184429

The critical dynamics of Ising spin glasses with Bimodal, Gaussian, and Laplacian interaction distributions are studied numerically in dimensions 3 and 4. The data demonstrate that in both dimensions the critical dynamic exponent $z_{\rm c}$, the non-equilibrium autocorrelation decay exponent $\lambda_c/z_{\rm c}$, and the critical fluctuation-dissipation ratio $X_{\infty}$ all vary strongly and systematically with the form of the interaction distribution.

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