On the Slowing Down of Spin Glass Correlation Length Growth:simulations meet experiments

18 Feb 2020 Zhai Q. Martin-Mayor V. Schlagel D. L. Kenning G. G. Orbach R. L.

The growth of the spin-glass correlation length has been measured as a function of the waiting time $t_{\mathrm{w}}$ on a single crystal of CuMn (6 at.\%), reaching values $\xi\sim 150$ nm, larger than any other glassy correlation-length measured to date. We find an aging rate $\mathrm{d}\ln\,t_{\mathrm{w}}/\mathrm{d}\ln\,\xi$ larger than found in previous measurements, which evinces a dynamic slowing-down as $\xi$ grows... (read more)

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  • DISORDERED SYSTEMS AND NEURAL NETWORKS