标题： 加速混合蒙特卡洛算法 显示英文标题

标题： Accelerating the Hybrid Monte Carlo algorithm

摘要： 提出了一种用于分离具有动力学费米子的规范理论杂化蒙特卡罗模拟中的高频和低频分子动力学模式的算法。该分离基于将伪费米子作用分解为两部分，正如Hasenbusch最初提出的那样。我们建议为每一部分引入不同的演化时间尺度。我们在双味O(a)改善的威尔逊费米子的实际模拟中测试了我们的提议。在典型运行中，观察到比标准HMC算法快三倍以上。 显示英文摘要

摘要： An algorithm for separating the high- and low-frequency molecular dynamics modes in Hybrid Monte Carlo simulations of gauge theories with dynamical fermions is presented. The separation is based on splitting the pseudo-fermion action into two parts, as was initially proposed by Hasenbusch. We propose to introduce different evolution time-scales for each part. We test our proposal in realistic simulations of two-flavor O(a) improved Wilson fermions. A speed-up of more than a factor of three compared to the standard HMC algorithm is observed in a typical run.