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题名: Nonlocal four-quark condensate and vacuum susceptibilities
作者: Zong, HS ;  Lu, XF ;  Zhao, EG ;  Wang, F
刊名: COMMUNICATIONS IN THEORETICAL PHYSICS
出版日期: 2000
卷号: 33, 期号:4, 页码:687-690
关键词: QCD SUM-RULES ;  PION FORM-FACTOR ;  COLOR SYMMETRY MODEL ;  QUANTUM CHROMODYNAMICS ;  BAG MODEL ;  PHYSICS ;  RESONANCE ;  HADRONS
学科分类: Physics
通讯作者: Zong, HS , Nanjing Univ, Dept Phys, Nanjing 210093, Peoples R China.
部门归属: Nanjing Univ, Dept Phys, Nanjing 210093, Peoples R China; Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China; Sichuan Univ, Dept Phys, Chengdu 610064, Peoples R China
英文摘要: Based on the quark propagator in the instanton dilute liquid approximation, we have determined the nonlocal four-quark condensate at the mean-field level in the framework of global color symmetry model. By making use of this formula, the vacuum susceptibility (pion susceptibility) was calculated in this paper. The theoretical analysis and numerical calculation show that even at the mean-field level the naive vacuum saturation approximation is not a good approximation when we consider nonlocal four-quark condensate.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000087688200031
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/12957
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:
Zong, HS,Lu, XF,Zhao, EG,et al. Nonlocal four-quark condensate and vacuum susceptibilities[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2000,33(4):687-690.
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