Critical slowing down and the gradient flow coupling in the Schr\"odinger functional

Critical slowing down and the gradient flow coupling in the Schr\"odinger functional
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Schr"odinger 泛函中的临界减速和梯度流耦合

DOI:
10.22323/1.187.0461
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发表时间:
2013
期刊:
arXiv: High Energy Physics - Lattice
影响因子:
--
通讯作者:
F. Stollenwerk
F. Stollenwerk
中科院分区:
--
文献类型:
--
作者:
P. Fritzsch;A. Ramos;F. Stollenwerk

文献摘要

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我们研究了梯度流耦合对不同拓扑荷扇区的敏感性及其在实际情况中的意义。此外,我们调查的运行耦合,预计将不太敏感的HMC算法的问题,以有效地采样所有拓扑部门的替代定义。
We study the sensitivity of the gradient flow coupling to sectors of different topological charge and its implications in practical situations. Furthermore, we investigate an alternative definition of the running coupling that is expected to be less sensitive to the problems of the HMC algorithm to efficiently sample all topological sectors.