论文标题

QCD参数来自有限能量总规则的磁效应

Magnetic effects of QCD parameters from finite energy sum rules

论文作者

Villavicencio, Cristian, Dominguez, C. A., Loewe, M.

论文摘要

有限能量总规则的优点之一是,可以通过使用合适的内核函数来单独选择操作员产品扩展系列中的每个操作员,从而单独选择了卸下其他操作员极点的函数。该特征由QCD系统在存在外部均匀磁场的情况下维护,从而提供了有关QCD和HADRONIC参数的磁性演化的有趣信息。在这项工作中,有限的能量总规则是在光夸克部门的QCD上应用的,在存在外部均匀磁场的情况下将轴向和伪级通道结合在一起,从而获得了光夸克质量的磁性演变,锥形质量,乳头衰减常数,Gluon冷凝物和连续的Hadronic Hadronic Hadronic Hadronic Hadronic脱粒。

One of the advantages of the finite energy sum rules is the fact that every operator in the operator product expansion series can be selected individually by the use of an appropriate kernel function which removes other operator poles. This characteristic is maintained by QCD systems in the presence of external homogeneous magnetic field, providing interesting information about the magnetic evolution of QCD and hadronic parameters. In this work finite energy sum rules are applied on QCD in the light quark sector, combining axial and pseudoscalar channels in the presence of an external homogeneous magnetic field, obtaining the magnetic evolution of the light quark masses, pion mass, the pion decay constant, the gluon condensate and the continuum hadronic threshold.

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