格Dirac算子的距离预条件
Distance preconditioning for lattice Dirac operators
摘要:
我们提出了一个预处理的狄拉克算子的基础上因式分解的预定义的函数与传播子的衰减与距离。结果表明,该方法可以提高大距离重夸克传播子的计算精度,并加快轻夸克传播子的计算速度。
英文摘要:
We propose a preconditioning of the Dirac operator based on the factorisation of a predefined function related to the decay of the propagator with the distance. We show that it can improve the accuracy of correlators involving heavy quarks at large distances and accelerate the computation of light quark propagators.
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