Vacuum condensates of QCD*

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2008 Chinese Physical Society and the Institute of High Energy Physics of the Chinese Academy of Sciences and the Institute of Modern Physics of the Chinese Academy of Sciences
, , Citation Qin Song-Mei et al 2008 Chinese Phys. C 32 521 DOI 10.1088/1674-1137/32/7/003

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Author affiliations

1 College of Physics Science and Engineering Technology, Guangxi University, Nanning 530004, China

2 Collaboration Group of Hadron Physics and Non-perturbative QCD Study, Guangxi University of Technology, Liuzhou 545006, China

3 Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China

Dates

  1. Received 27 August 2007
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1674-1137/32/7/521

Abstract

We study the properties of QCD vacuum state in this paper. The values of various local quark vacuum condensates, quark-gluon mixed vacuum condensates, and the structure of non-local quark vacuum condensate are predicted by the solution of Dyson-Schwinger Equations in ``rainbow'' approximation with three sets of different parameters for effective gluon propagator. The light quark virtuality is also obtained in a consistent way. Our all theoretical results here are in good agreement with the empirical values used widely in literature and many other theoretical calculations.

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10.1088/1674-1137/32/7/003