Virtualities of quark and gluon in QCD vacuum
Zhou, LJ; Qin, SM; Wu, Q; Ma, WX; Ma WX(马维兴)
刊名SCIENCE IN CHINA SERIES G-PHYSICS MECHANICS & ASTRONOMY
2008
卷号51期号:10页码:1439-1447
关键词quark gluon virtuality QCD vacuum condensate non-perturbative QCD
学科分类Physics
DOI10.1007/s11433-008-0153-z
通讯作者[Ma WeiXing] Guangxi Univ Technol, Collaborat Grp Hadron Phys & Non Perturbat QCD St, Liuzhou 545006, Peoples R China ; [Qin SongMei] Guangxi Univ, Dept Phys, Nanning 540003, Peoples R China ; [Wu Qing] Qingdao Univ, Dept Phys, Qingdao 266071, Peoples R China ; Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China
文章类型Article
英文摘要The non-local vacuum condensates of quantum chromodynamics (QCD) describe the distributions of quarks and gluons in the non-perturbative QCD vacuum state. Physically, this means that vacuum quarks and gluons have a nonzero mean-squared momentum in the vacuum, called virtuality. The quark virtuality is given by the ratio of the local quark-gluon mixed vacuum condensate to the quark local vacuum condensate. The gluon virtuality is expressed by gluon vacuum condensates and four-quark vacuum condensates. We study the two virtualities by solving Dyson-Schwinger Equations and calculating quark and gluon vacuum condensates. Our theoretical results for quark virtuality are in good agreement with many other theoretical model predictions such as QCD sum rules and lattice QCD calculations. Our calculation on gluon virtuality is initial and the results are quite interesting.
类目[WOS]Physics, Multidisciplinary
研究领域[WOS]Physics
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语种英语
WOS记录号WOS:000259191400001
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被引频次:1[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/311005/239353
专题中国科学院高能物理研究所_理论物理室_期刊论文
作者单位中国科学院高能物理研究所
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Zhou, LJ,Qin, SM,Wu, Q,et al. Virtualities of quark and gluon in QCD vacuum[J]. SCIENCE IN CHINA SERIES G-PHYSICS MECHANICS & ASTRONOMY,2008,51(10):1439-1447.
APA Zhou, LJ,Qin, SM,Wu, Q,Ma, WX,&马维兴.(2008).Virtualities of quark and gluon in QCD vacuum.SCIENCE IN CHINA SERIES G-PHYSICS MECHANICS & ASTRONOMY,51(10),1439-1447.
MLA Zhou, LJ,et al."Virtualities of quark and gluon in QCD vacuum".SCIENCE IN CHINA SERIES G-PHYSICS MECHANICS & ASTRONOMY 51.10(2008):1439-1447.
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