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Nonlocal four-quark condensate and vacuum susceptibilities
Zong, HS; Lu, XF; Zhao, EG; Wang, F; Zong, HS , Nanjing Univ, Dept Phys, Nanjing 210093, Peoples R China.
2000
发表期刊COMMUNICATIONS IN THEORETICAL PHYSICS
ISSN0253-6102
卷号33期号:4页码:687-690
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.
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
关键词Qcd Sum-rules Pion Form-factor Color Symmetry Model Quantum Chromodynamics Bag Model Physics Resonance Hadrons
学科领域Physics
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收录类别SCI
WOS记录号WOS:000087688200031
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/12957
专题理论物理所1978-2010年知识产出
通讯作者Zong, HS , Nanjing Univ, Dept Phys, Nanjing 210093, Peoples R China.
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GB/T 7714
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.
APA Zong, HS,Lu, XF,Zhao, EG,Wang, F,&Zong, HS , Nanjing Univ, Dept Phys, Nanjing 210093, Peoples R China..(2000).Nonlocal four-quark condensate and vacuum susceptibilities.COMMUNICATIONS IN THEORETICAL PHYSICS,33(4),687-690.
MLA Zong, HS,et al."Nonlocal four-quark condensate and vacuum susceptibilities".COMMUNICATIONS IN THEORETICAL PHYSICS 33.4(2000):687-690.
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