论文标题
在驱动的随机场Ising模型中的雪崩的热痕迹
Thermal vestiges of avalanches in the driven random field Ising model
论文作者
论文摘要
我们研究了有限温度下$ 3D $随机场模型的非平衡行为，因为外部场通过其强制性场增加。我们通过数值模拟显示，雪崩的现象学（仅在零温度下清楚地定义）也持续在很大的有限温度下。我们分析了热温度和零温度系统之间的主要差异，包括在热案例中过量的小雪崩，其行为与激活的动力学缩放一致。我们还研究了在有限温度下单个雪崩的程度，可以追溯到Athermal系统中的父雪崩。
We investigate the non-equilibrium behavior of the $3d$ random field Ising model at finite temperature, as an external field is increased through its coercive field. We show by numerical simulations that the phenomenology of avalanches -- which are sharply defined only at zero temperature -- also persists over a significant range of finite temperatures. We analyse the main differences between the thermal and zero-temperature systems, including an excess of small avalanches in the thermal case, whose behaviour is consistent with activated dynamical scaling. We also investigate the extent to which individual avalanches at finite temperature can be traced back to parent avalanches in the athermal system.
