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Validity of parametrized quark propagator
Zhu, JZ; Zhou, LJ; Ma WX(马维兴); Ma, WX
2005
发表期刊COMMUNICATIONS IN THEORETICAL PHYSICS
卷号44期号:1页码:#REF!
通讯作者Zhu, JZ (reprint author), Guangxi Univ Technol, Dept Informat & Comp Sci, Liuzhou 545006, Peoples R China.
文章类型Article
摘要Based on an extensively study of the Dyson-Schwinger equations for a fully dressed quark propagator in the "rainbow" approximation, a parametrized fully dressed quark propagator is proposed in this paper. The parametrized propagator describes a confining quark propagator in hadron since it is analytic everywhere in complex p(2)-plane and has no Lemmann representation. The validity of the new propagator is discussed by comparing its predictions on self-energy functions A(f) (p(2)), B-f (p(2)) and effective mass M-f (p(2)) of quark with flavor f to their corresponding theoretical results produced by Dyson-Schwinger equations. Our comparison shows that the parametrized quark propagator is a good approximation to the fully dressed quark propagator given by the solutions of Dyson-Schwinger equations in the rainbow approximation and is convenient to use in any theoretical calculations.
关键词quark propagator Dyson-Schwinger equations non-perturbative QCD
学科领域Physics
收录类别SCI
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000230703300023
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/226270
专题理论物理室
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GB/T 7714
Zhu, JZ,Zhou, LJ,Ma WX,et al. Validity of parametrized quark propagator[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2005,44(1):#REF!.
APA Zhu, JZ,Zhou, LJ,马维兴,&Ma, WX.(2005).Validity of parametrized quark propagator.COMMUNICATIONS IN THEORETICAL PHYSICS,44(1),#REF!.
MLA Zhu, JZ,et al."Validity of parametrized quark propagator".COMMUNICATIONS IN THEORETICAL PHYSICS 44.1(2005):#REF!.
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