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Journal of Applied Physics
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Physical model for static and dynamic scaling in spin glasses

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Abstract

We extend earlier critical fractal cluster models of a spin glass phase transition. At the transition temperature in finite field, a negative excluded-volume term dominates a positive saturated-cluster term, giving the negative H2/δ nonlinear susceptibility observed experimentally. The two competing effects in general have different relaxation times and therefore novel implications for dynamic scaling.

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Journal of Applied Physics

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