论文标题
Flatspin：大规模的人造自旋冰模拟器
flatspin: A Large-Scale Artificial Spin Ice Simulator
论文作者
论文摘要
我们提出了Flatspin，这是一种用于在晶格上相互作用的介质旋转系统的新型模拟器，也称为人造自旋冰（ASI）。我们的磁切换标准使ASI动力学可以在偶极模型中捕获。通过GPU加速，Flatspin可以在实用的时间范围内模拟数百万磁铁的现实动态。我们通过复制文献中一组既定的实验结果来证明Flatspin的多功能性。特别是，偶极模型首次复制了在场驱动的逆转过程中“风车” ASI的磁化细节。模拟框架可以以前所未有的速度快速探索和调查新的ASI几何和属性。
We present flatspin, a novel simulator for systems of interacting mesoscopic spins on a lattice, also known as artificial spin ice (ASI). Our magnetic switching criteria enables ASI dynamics to be captured in a dipole model. Through GPU acceleration, flatspin can simulate realistic dynamics of millions of magnets within practical time frames. We demonstrate flatspin's versatility through the reproduction of a diverse set of established experimental results from the literature. In particular, magnetization details of "pinwheel" ASI during field-driven reversal have been reproduced, for the first time, by a dipole model. The simulation framework enables quick exploration and investigation of new ASI geometries and properties at unprecedented speeds.
