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题名: Mixed Quark-Gluon Condensate Beyond Chiral Limit
作者: Lu Chang-Fang ;  Lue Xiao-Fu
刊名: COMMUNICATIONS IN THEORETICAL PHYSICS
出版日期: 2010
卷号: 53, 期号:5, 页码:893-897
关键词: QCD SUM-RULES ;  QUANTUM CHROMODYNAMICS ;  BARYON MASSES ;  RESONANCE ;  SPECTRUM ;  PHYSICS ;  MODEL
学科分类: Physics
通讯作者: Lu, CF , Sichuan Univ, Dept Phys, Chengdu 610064, Peoples R China
部门归属: [Lu, CF; Lu, XF] Sichuan Univ, Dept Phys, Chengdu 610064, Peoples R China; [Lu, CF] Sichuan Agr Univ, Dept Phys, Yaan 625014, Peoples R China; [Lu, XF] Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; [Lu, XF] CCAST World Lab, Beijing 100080, Peoples R China
英文摘要: Using the Dyson-Schwinger equation and perturbation theory, we calculate the mixed quark-gluon condensates in the chiral limit and in the case of nonzero quark current mass for the light quark u/d and strange quark s. The results show that the mixed quark-gluon condensate will decrease when the quark mass increases. For the quark with zero mass, we obtain m(0)(2)= g <(q) over bar sigma(mu nu) G(mu nu)q >/<(q) over barq > congruent to 0.68 GeV(2), which is in good agreement with the QCD sum rules estimate m(0)(2) = (0.8 +/- 0.2) GeV(2).
资助者: Key Research Plan of Theoretical Physics and Cross Science of China[90503011]; National Science Foundation[10775012]
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000277987200019
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/5107
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Lu Chang-Fang,Lue Xiao-Fu. Mixed Quark-Gluon Condensate Beyond Chiral Limit[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2010,53(5):893-897.
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