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Mixed Quark-Gluon Condensate Beyond Chiral Limit
Lu Chang-Fang; Lue Xiao-Fu; Lu, CF , Sichuan Univ, Dept Phys, Chengdu 610064, Peoples R China
2010
发表期刊COMMUNICATIONS IN THEORETICAL PHYSICS
ISSN0253-6102
卷号53期号:5页码:893-897
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).
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
关键词Qcd Sum-rules Quantum Chromodynamics Baryon Masses Resonance Spectrum Physics Model
学科领域Physics
资助者Key Research Plan of Theoretical Physics and Cross Science of China[90503011]; National Science Foundation[10775012] ; Key Research Plan of Theoretical Physics and Cross Science of China[90503011]; National Science Foundation[10775012] ; Key Research Plan of Theoretical Physics and Cross Science of China[90503011]; National Science Foundation[10775012] ; Key Research Plan of Theoretical Physics and Cross Science of China[90503011]; National Science Foundation[10775012]
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资助者Key Research Plan of Theoretical Physics and Cross Science of China[90503011]; National Science Foundation[10775012] ; Key Research Plan of Theoretical Physics and Cross Science of China[90503011]; National Science Foundation[10775012] ; Key Research Plan of Theoretical Physics and Cross Science of China[90503011]; National Science Foundation[10775012] ; Key Research Plan of Theoretical Physics and Cross Science of China[90503011]; National Science Foundation[10775012]
WOS记录号WOS:000277987200019
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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.itp.ac.cn/handle/311006/5107
专题理论物理所1978-2010年知识产出
通讯作者Lu, CF , Sichuan Univ, Dept Phys, Chengdu 610064, Peoples R China
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GB/T 7714
Lu Chang-Fang,Lue Xiao-Fu,Lu, CF , Sichuan Univ, Dept Phys, Chengdu 610064, Peoples R China. Mixed Quark-Gluon Condensate Beyond Chiral Limit[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2010,53(5):893-897.
APA Lu Chang-Fang,Lue Xiao-Fu,&Lu, CF , Sichuan Univ, Dept Phys, Chengdu 610064, Peoples R China.(2010).Mixed Quark-Gluon Condensate Beyond Chiral Limit.COMMUNICATIONS IN THEORETICAL PHYSICS,53(5),893-897.
MLA Lu Chang-Fang,et al."Mixed Quark-Gluon Condensate Beyond Chiral Limit".COMMUNICATIONS IN THEORETICAL PHYSICS 53.5(2010):893-897.
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