Computing nucleon EDM on a lattice

Computing nucleon EDM on a lattice
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在晶格上计算核子 EDM

DOI：
10.1051/epjconf/201817506027
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发表时间：
2018
期刊：
EPJ Web Conf.
影响因子：
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通讯作者：
Sergey Syritsyn
Sergey Syritsyn
中科院分区：
--
文献类型：
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作者：
Michael Abramczyk; Sinya Aoki;Tom Blum;Taku Izubuchi;Hiroshi Ohki;Sergey Syritsyn

文献摘要

相似文献

我将简要讨论在晶格上计算重子 EDM 的方法的最新变化。相关的校正大大减少了质子和中子 theta 诱导 EDM 的当前现有晶格值，因此即使是最精确的先前晶格结果也变得与零一致。一方面，这一变化消除了之前这些晶格结果与核子 EDM 现象学估计之间的分歧。另一方面，在晶格上计算核子 EDM 变得更加困难。此外，我将回顾利用手性夸克作用计算夸克色电火花诱导核子电火花加工的进展。
I will discuss briefly recent changes in the methodology of computing the baryon EDM on a lattice. The associated correction substantially reduces presently existing lattice values for the proton and neutron theta-induced EDMs, so that even the most precise previous lattice results become consistent with zero. On one hand, this change removes previous disagreements between these lattice results and the phenomenological estimates of the nucleon EDM. On the other hand, the nucleon EDM becomes much harder to compute on a lattice. In addition, I will review the progress in computing quark chromo-EDM-induced nucleon EDM using chiral quark action.