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Vacuum condensates from the modification of global color symmetry model
Zong, HS; Lu, XF; Gu, JZ; Chang, CH; Zhao, EG; Zong, HS , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
2000
发表期刊COMMUNICATIONS IN THEORETICAL PHYSICS
ISSN0253-6102
卷号34期号:2页码:369-372
摘要Based on the quark propagator in the instanton dilute liquid approximation, we have determined the quark condensate ((q) over bar q), the mixed quark gluon condensate g(s)((q) over bar G(mu nu)sigma(mu nu)q) and the four-quark condensate ((q) over bar Gamma q (q) over bar Gamma q) at the mean-field level in the framework of global color symmetry model. The numerical calculation shows that our result is compatible with the range obtained within other nonperturbative approaches. In particular, we have found 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Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China; CCAST, World Lab, Beijing 100080, Peoples R China; Sichuan Univ, Dept Phys, Chengdu 610064, Peoples R China; Max Planck Inst Kernphys, D-69029 Heidelberg, Germany
关键词Quark-gluon Condensate Sum-rules Qcd Instantons Physics Lattice
学科领域Physics
收录类别SCI
WOS记录号WOS:000089836300029
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/12906
专题理论物理所1978-2010年知识产出
通讯作者Zong, HS , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
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GB/T 7714
Zong, HS,Lu, XF,Gu, JZ,et al. Vacuum condensates from the modification of global color symmetry model[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2000,34(2):369-372.
APA Zong, HS,Lu, XF,Gu, JZ,Chang, CH,Zhao, EG,&Zong, HS , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China..(2000).Vacuum condensates from the modification of global color symmetry model.COMMUNICATIONS IN THEORETICAL PHYSICS,34(2),369-372.
MLA Zong, HS,et al."Vacuum condensates from the modification of global color symmetry model".COMMUNICATIONS IN THEORETICAL PHYSICS 34.2(2000):369-372.
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