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arXiv 1105.1902cond-mat.dis-nn
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Tg及以上Sherrington-Kirkpatrick Ising自旋玻璃的动力学

Dynamics in the Sherrington-Kirkpatrick Ising spin glass at and above Tg

Alain Billoire, I. A. Campbell

摘要:

本文对Sherrington-Kirkpatrick Ising自旋玻璃模型在临界温度Tg及以上的平衡弛豫作了详细的数值研究。数据显示长时间拉伸的指数弛豫q(t)~ exp[-(t/tau(T))^beta(T)],其中指数beta(T)在Tg趋于~ 1/3。的结果进行了比较,观察到的Ogielski在3D ISG模型,并讨论了在相空间渗流过渡的情况。

英文摘要:

A detailed numerical study is made of relaxation at equilibrium in the Sherrington-Kirkpatrick Ising spin glass model, at and above the critical temperature Tg. The data show a long time stretched exponential relaxation q(t) ~ exp[-(t/tau(T))^beta(T)] with an exponent beta(T) tending to ~ 1/3 at Tg. The results are compared to those which were observed by Ogielski in the 3d ISG model, and are discussed in terms of a phase space percolation transition scenario.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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