论文标题

在自旋玻璃相关长度生长的放慢速度上:模拟符合实验

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

论文作者

Zhai, Q., Martin-Mayor, V., Schlagel, D. L., Kenning, G. G., Orbach, R. L.

论文摘要

旋转玻璃相关长度的生长已作为等待时间的函数$ t _ {\ mathrm {w}} $的函数,在单个cumn(6 at。\%)上的生长,达到$ξ\ sim 150 $ nm,比任何其他玻璃相关长度大。我们发现一个老化率$ \ mathrm {d} \ ln \,t _ {\ mathrm {w}}/\ mathrm {d} \ ln \,比以前的测量中发现的大于$ξ$ grows的动态慢下模式。我们的衰老率与Janus协作的仿真结果进行了比较。考虑到关键效果后,我们发现与Janus数据达成了极大的一致性。

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 $ξ\sim 150$ nm, larger than any other glassy correlation-length measured to date. We find an aging rate $\mathrm{d}\ln\,t_{\mathrm{w}}/\mathrm{d}\ln\,ξ$ larger than found in previous measurements, which evinces a dynamic slowing-down as $ξ$ grows. Our measured aging rate is compared with simulation results by the Janus collaboration. After critical effects are taken into account, we find excellent agreement with the Janus data.

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