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Nonzero mean squared momentum of quarks in the nonperturbative QCD vacuum
Zhou, LJ; Kisslinger, LS; Ma WX(马维兴); Ma, WX
2010
发表期刊PHYSICAL REVIEW D
卷号82期号:3页码:34037
通讯作者[Zhou, Li-Juan] Guangxi Univ Technol, Dept Informat & Comp Sci, Liuzhou 545006, Peoples R China ; [Zhou, Li-Juan] Hua Zhong Normal Univ, Inst Particle Phys, Wuhan 430079, Peoples R China ; [Kisslinger, Leonard S.] Carnegie Mellon Univ, Dept Phys, Pittsburgh, PA 15213 USA ; [Ma, Wei-xing] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China
文章类型Article
摘要The nonlocal vacuum condensates of QCD describe the distributions of quarks and gluons in the nonperturbative QCD vacuum. Physically, this means that vacuum quarks and gluons have nonzero mean squared momentum, called virtuality. In this paper we study the quark virtuality which is given by the ratio of the local quark-gluon mixed vacuum condensate to the quark local vacuum condensate. The two vacuum condensates are obtained by solving Dyson-Schwinger equations of a fully dressed quark propagator with an effective gluon propagator. Using our calculated condensates, we obtain the virtuality of quarks in the QCD vacuum state. Our numerical predictions are consistent with other theoretical model calculations such as QCD sum rules, lattice QCD and instanton models.
学科领域Astronomy & Astrophysics; Physics
研究领域[WOS]Astronomy & Astrophysics ; Physics ; Astronomy & Astrophysics ; Physics
DOI10.1103/PhysRevD.82.034037
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语种英语
研究领域[WOS]Astronomy & Astrophysics ; Physics ; Astronomy & Astrophysics ; Physics
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
WOS记录号WOS:000281406400003
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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/311005/240568
专题理论物理室
作者单位中国科学院高能物理研究所
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Zhou, LJ,Kisslinger, LS,Ma WX,et al. Nonzero mean squared momentum of quarks in the nonperturbative QCD vacuum[J]. PHYSICAL REVIEW D,2010,82(3):34037.
APA Zhou, LJ,Kisslinger, LS,马维兴,&Ma, WX.(2010).Nonzero mean squared momentum of quarks in the nonperturbative QCD vacuum.PHYSICAL REVIEW D,82(3),34037.
MLA Zhou, LJ,et al."Nonzero mean squared momentum of quarks in the nonperturbative QCD vacuum".PHYSICAL REVIEW D 82.3(2010):34037.
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